Defn: The doctrine that diseases proceed from the humors; humorism.
[Obs.]

HUMORALIST
Hu"mor*al*ist, n.

Defn: One who favors the humoral pathology or believes in humoralism.

HUMORISM
Hu"mor*ism, n.

1. (Med.)

Defn: The theory founded on the influence which the humors were
supposed to have in the production of disease; Galenism. Dunglison.

2. The manner or disposition of a humorist; humorousness. Coleridge.

HUMORIST
Hu"mor*ist, n. Etym: [Cf. F. humoriste.]

1. (Med.)

Defn: One who attributes diseases of the state of the humors.

2. One who has some peculiarity or eccentricity of character, which
he indulges in odd or whimsical ways.
He [Roger de Coverley] . . . was a great humorist in all parts of his
life. Addison.

3. One who displays humor in speaking or writing; one who has a
facetious fancy or genius; a wag; a droll.
The reputation of wits and humorists. Addison.

HUMORISTIC
Hu`mor*is"tic, a.

Defn: Of, pertaining to, or resembling, a humorist.

HUMORIZE
Hu"mor*ize, v. t.

Defn: To humor. Marston.

HUMORLESS
Hu"mor*less, a.

Defn: Destitute of humor.

HUMOROUS
Hu"mor*ous, a. Etym: [Cf. L. humorosus, umorosus, moist. See Humor.]

1. Moist; humid; watery. [Obs.]
All founts wells, all deeps humorous. Chapman.

2. Subject to be governed by humor or caprice; irregular; capricious;
whimsical. Hawthorne.
Rough as a storm and humorous as the wind. Dryden.

3. Full of humor; jocular; exciting laughter; playful; as, a humorous
story or author; a humorous aspect.

Syn.
 -- Jocose; facetious; witty; pleasant; merry.

HUMOROUSLY
Hu"mor*ous*ly, adv.

1. Capriciously; whimsically.
We resolve rashly, sillily, or humorously. Calamy.

2. Facetiously; wittily.

HUMOROUSNESS
Hu"mor*ous*ness, n.

1. Moodiness; capriciousness.

2. Facetiousness; jocularity.

HUMORSOME
Hu"mor*some, a.

1. Moody; whimsical; capricious. Hawthorne.
The commons do not abet humorsome, factious arms. Burke.

2. Jocose; witty; humorous. Swift.

HUMORSOMELY
Hu"mor*some*ly, adv.

Defn: Pleasantly; humorously.

HUMORSOMENESS
Hu"mor*some*ness, n.

Defn: Quality of being humorsome.

HUMP
Hump, n. Etym: [Cf. D. homp a lump, LG. hump heap, hill, stump,
possibly akin to E. heap. Cf. Hunch.]

1. A protuberance; especially, the protuberance formed by a crooked
back.

2. (Zoöl.)

Defn: A fleshy protuberance on the back of an animal, as a camel or
whale.

HUMPBACK
Hump"back`, n. Etym: [Cf. Hunchback.]

1. A crooked back; a humped back. Tatler.

2. A humpbacked person; a hunchback.

3. (Zoöl.)
(a) Any whale of the genus Megaptera, characterized by a hump or
bunch on the back. Several species are known. The most common ones in
the North Atlantic are Megaptera longimana of Europe, and M. osphyia
of America; that of the California coasts is M. versabilis.
(b) A small salmon (Oncorhynchus gorbuscha), of the northwest coast
of America.

HUMPBACKED
Hump"backed`, a.

Defn: Having a humped back.

HUMPBACKED SALMON
Hump"backed` salm"on.

Defn: A small salmon (Oncorhynchus gorbuscha) which ascends the
rivers of the Pacific coast from California to Alaska, and also on
the Asiatic side. In the breeding season the male has a large dorsal
hump and distorted jaws.

HUMPED
Humped, a.

Defn: Having a hump, as the back.

HUMPH
Humph, interj. Etym: [Of imitative origin.]

Defn: An exclamation denoting surprise, or contempt, doubt, etc.

HUMPLESS
Hump"less, a.

Defn: Without a hump. Darwin.

HUMP-SHOULDERED
Hump"-shoul`dered, a.

Defn: Having high, hunched shoulders. Hawthorne.

HUMPY
Hump"y, a.

Defn: Full of humps or bunches; covered with protuberances; humped.

HUMSTRUM
Hum"strum`, n.

Defn: An instrument out of tune or rudely constructed; music badly
played.

HUMULIN
Hu"mu*lin, n. Etym: [NL. Humulus, the genus including the hop.]

Defn: An extract of hops.

HUMUS
Hu"mus, n. Etym: [L., the earth, ground, soil.]

Defn: That portion of the soil formed by the decomposition of animal
or vegetable matter. It is a valuable constituent of soils. Graham.

HUN
Hun, n. Etym: [L. Hunni, also Chunni, and Chuni; cf. AS. H, H, OHG.
H, G. Hunnen.]

Defn: One of a warlike nomadic people of Northern Asia who, in the
5th century, under Atilla, invaded and conquered a great part of
Europe.

HUNCH
Hunch, n. Etym: [Perh. akin to huckle; cf. hump, hunch, bunch, hunk.]

1. A hump; a protuberance.

2. A lump; a thick piece; as, a hunch of bread.

3. A push or thrust, as with the elbow.

HUNCH
Hunch, v. t. [imp. & p. p. Hunched; p. pr. & vb. n. Hunching.]

1. To push or jostle with the elbow; to push or thrust suddenly.

2. To thrust out a hump or protuberance; to crook, as the back.
Dryden.

HUNCHBACK
Hunch"back`, n. Etym: [Cf. Humpback.]

Defn: A back with a hunch or hump; also, a hunchbacked person.

HUNCHBACKED
Hunch"backed`, a.

Defn: Having a humped back.

HUNDRED
Hun"dred, n. Etym: [OE. hundred, AS. hundred a territorial division;
hund hundred + a word akin to Goth. ga-ra to count, L. ratio
reckoning, account; akin to OS. hunderod, hund, D. hondred, G.
hundert, OHG. also hunt, Icel. hundra, Dan. hundrede, Sw. hundra,
hundrade, Goth. hund, Lith. szimtas, Russ. sto, W. cant, Ir. cead, L.
centum, Gr. çata. sq. root309. Cf. Cent, Century, Hecatomb, Quintal,
and Reason.]

1. The product of ten mulitplied by ten, or the number of ten times
ten; a collection or sum, consisting of ten times ten units or
objects; five score. Also, a symbol representing one hundred units,
as 100 or C.
With many hundreds treading on his heels. Shak.

Note: The word hundred, as well as thousand, million, etc., often
takes a plural form. We may say hundreds, or many hundreds, meaning
individual objects or units, but with an ordinal numeral adjective in
constructions like five hundreds, or eight hundreds, it is usually
intended to consider each hundred as a separate aggregate; as, ten
hundreds are one thousand.

2. A division of a country in England, supposed to have originally
contained a hundred families, or freemen. Hundred court, a court held
for all the inhabitants of a hundred. [Eng.] Blackstone.

HUNDRED
Hun"dred, a.

Defn: Ten times ten; five score; as, a hundred dollars.

HUNDREDER
Hun"dred*er, n.

1. An inhabitant or freeholder of a hundred.

2. (Law)

Defn: A person competent to serve on a jury, in an action for land in
the hundred to which he belongs.

3. One who has the jurisdiction of a hundred; and sometimes, a
bailiff of a hundred. Blount. Cowell.

HUNDREDFOLD
Hun"dred*fold`, n.

Defn: A hundred times as much or as many.
He shall receive as hundredfold now in this time. Mark x. 30.

HUNDREDTH
Hun"dredth, a.

1. Coming last of a hundred successive individuals or units.

2. Forming one of a hundred equal parts into which anything is
divided; the tenth of a tenth.

HUNDREDTH
Hun"dredth, n.

Defn: One of a hundred equal parts into which one whole is, or may
be, divided; the quotient of a unit divided by a hundred.

HUNDREDWEIGHT
Hun"dred*weight`, n.

Defn: A denomination of weight, containing 100, 112, or 120 pounds
avoirdupois, according to differing laws or customs. By the legal
standard of England it is 112 pounds. In most of the United States,
both in practice and by law, it is 100 pounds avoirdupois, the
corresponding ton of 2,000 pounds, sometimes called the short ton,
beingthe legal ton.

HUNG
Hung, imp. & p. p.

Defn: of Hang. Hung beef, the fleshy part of beef slightly salted and
hung up to dry; dried beef.

HUNGARIAN
Hun*ga"ri*an, a.

Defn: Of or pertaining to Hungary or to the people of Hungary.
 -- n.

Defn: A native or one of the people of Hungary. Hungarian grass. See
Italian millet, under Millet.

HUNGARY
Hun"ga*ry, n.

Defn: A country in Central Europe, now a part of the Austro-Hungarian
Empire. Hungary water, a distilled "water," made from dilute alcohol
aromatized with rosemary flowers, etc.

HUNGER
Hun"ger, n. Etym: [AS. hungor; akin to OFries. hunger, D. honger, OS.
& OHG. hungar, G. hunger, Icel. hungr, Sw. & Dan. hunger, Goth. h
hunger, huggrjan to hunger.]

1. An uneasy sensation occasioned normally by the want of food; a
craving or desire for food.

Note: The sensation of hunger is usually referred to the stomach, but
is probably dependent on excitation of the sensory nerves, both of
the stomach and intestines, and perhaps also on indirect impressions
from other organs, more or less exhausted from lack of nutriment.

2. Any strong eager desire.
O sacred hunger of ambitious minds! Spenser.
For hunger of my gold I die. Dryden.

HUNGER
Hun"ger, v. i. [imp. & p. p. Hungered; p. pr. & vb. n. Hungering.]
Etym: [OE. hungren, AS. hyngrian. See Hunger, n.]

1. To feel the craving or uneasiness occasioned by want of food; to
be oppressed by hunger.

2. To have an eager desire; to long.
Blessed are they which do hunger and thirst after righteouness. Matt.
v. 6.

HUNGER
Hun"ger, v. t.

Defn: To make hungry; to famish.

HUNGER-BIT; HUNGER-BITTEN
Hun"ger-bit`, Hun"ger-bit`ten, a.

Defn: Pinched or weakened by hunger. [Obs.] Milton.

HUNGERED
Hun"gered, a.

Defn: Hungry; pinched for food. [Obs.] Milton.

HUNGERER
Hun"ger*er, n.

Defn: One who hungers; one who longs. Lamb.

HUNGERLY
Hun"ger*ly, a.

Defn: Wanting food; starved. [Obs.] Shak.

HUNGERLY
Hun"ger*ly, adv.

Defn: With keen appetite. [Obs.] Shak.

HUNGER-STARVE
Hun"ger-starve`, v. t.

Defn: To starve with hunger; to famish. [Obs.] Shak.

HUNGRED
Hun"gred, a.

Defn: Hungered; hungry. [Archaic]

HUNGRILY
Hun"gri*ly, adv. Etym: [From Hunger.]

Defn: In a hungry manner; voraciously. Dryden.

HUNGRY
Hun"gry, a. [Compar. Hungrier; superl. Hungriest.] Etym: [AS.
hungrid. See Hunger.]

1. Feeling hunger; having a keen appetite; feeling uneasiness or
distress from want of food; hence, having an eager desire.

2. Showing hunger or a craving desire; voracious.
The cruel, hungry foam. C. Kingsley.
Cassius has a lean and hungry look. Shak.

3. Not rich or fertile; poor; barren; starved; as, a hungry soil.
"The hungry beach." Shak.

HUNK
Hunk, n. Etym: [Cf. Hunch.]

Defn: A large lump or piece; a hunch; as, a hunk of bread. [Colloq.]

HUNKER
Hun"ker, n.

Defn: Originally, a nickname for a member of the conservative section
of the Democratic party in New York; hence, one opposed to progress
in general; a fogy. [Political Cant, U.S.]

HUNKERISM
Hun"ker*ism, n.

Defn: Excessive conservatism; hostility to progress. [Political Cant,
U.S.]

HUNKERS
Hun"kers, n. pl. [See Hunker.]

Defn: In the phrase on one's hunkers, in a squatting or crouching
position. [Scot. & Local, U. S.]

Sit on your hunkers -- and pray for the bridge.
Kipling.

HUNKS
Hunks, n. Etym: [Etymol. uncertain.]

Defn: A covetous, sordid man; a miser; a niggard.
Pray make your bargain with all the prudence and selfishness of an
old hunks. Gray.

HUNKY
Hunk"y, a. [Perh. fr. Hunk.]

Defn: All right; in a good condition; also, even; square. [Slang, U.
S.]

He . . . began to shoot; began to get "hunky" with all those people
who had been plugging at him.
Stephen Crane.

HUNT
Hunt, v. t. [imp. & p. p. Hunted; p. pr. & vb. n. Hunting.] Etym:
[AS. huntian to hunt; cf. hentan to follow, pursue, Goth. hin (in
comp.) to seize. sq. root36. Cf. Hent.]

1. To search for or follow after, as game or wild animals; to chase;
to pursue for the purpose of catching or killing; to follow with dogs
or guns for sport or exercise; as, to hunt a deer.
Like a dog, he hunts in dreams. Tennyson.

2. To search diligently after; to seek; to pursue; to follow; --
often with out or up; as, to hunt up the facts; to hunt out evidence.
Evil shall hunt the violent man to overthrow him. Ps. cxl. 11.

3. To drive; to chase; -- with down, from, away, etc.; as, to hunt
down a criminal; he was hunted from the parish.

4. To use or manage in the chase, as hounds.
He hunts a pack of dogs. Addison.

5. To use or traverse in pursuit of game; as, he hunts the woods, or
the country.

HUNT
Hunt, v. i.

1. To follow the chase; to go out in pursuit of game; to course with
hounds.
Esau went to the field to hunt for venison. Gen. xxvii. 5.

2. To seek; to pursue; to search; -- with for or after.
He after honor hunts, I after love. Shak.
To hunt counter, to trace the scent backward in hunting, as a hound
to go back on one's steps. [Obs.] Shak.

HUNT
Hunt, n.

1. The act or practice of chasing wild animals; chase; pursuit;
search.
The hunt is up; the morn is bright and gray. Shak.

2. The game secured in the hunt. [Obs.] Shak.

3. A pack of hounds. [Obs.]

4. An association of huntsmen.

5. A district of country hunted over.
Every landowner within the hunt. London Field.

HUNT-COUNTER
Hunt"-count`er, n.

Defn: A worthless dog that runs back on the scent; a blunderer.
[Obs.] Shak.

HUNTE
Hunt"e, n. Etym: [AS. hunta.]

Defn: A hunter. [Obs.] Chaucer.

HUNTER
Hunt"er, n.

1. One who hunts wild animals either for sport or for food; a
huntsman.

2. A dog that scents game, or is trained to the chase; a hunting dog.
Shak.

3. A horse used in the chase; especially, a thoroughbred, bred and
trained for hunting.

4. One who hunts or seeks after anything, as if for game; as, a
fortune hunter a place hunter.
No keener hunter after glory breathes. Tennyson.

5. (Zoöl.)

Defn: A kind of spider. See Hunting spider, under Hunting.

6. A hunting watch, or one of which the crystal is protected by a
metallic cover. Hunter's room, the lunation after the harvest moon.
 -- Hunter's screw (Mech.), a differential screw, so named from the
inventor. See under Differential.

HUNTERIAN
Hun*te"ri*an, a.

Defn: Discovered or described by John Hunter, an English surgeon; as,
the Hunterian chancre. See Chancre.

HUNTING
Hunt"ing, n.

Defn: The pursuit of game or of wild animals. A. Smith. Happy hunting
grounds, the region to which, according to the belief of American
Indians, the souls of warriors and hunters pass after death, to be
happy in hunting and feasting. Tylor.
 -- Hunting box. Same As Hunting lodge (below).
 -- Hunting cat (Zoöl.), the cheetah.
 -- Hunting cog (Mach.), a tooth in the larger of two geared wheels
which makes its number of teeth prime to the number in the smaller
wheel, thus preventing the frequent meeting of the same pairs of
teeth.
 -- Hunting dog (Zoöl.), the hyena dog.
 -- Hunting ground, a region or district abounding in game; esp.
(pl.), the regions roamed over by the North American Indians in
search of game.
 -- Hunting horn, a bulge; a horn used in the chase. See Horn, and
Bulge.
 -- Hunting leopard (Zoöl.), the cheetah.
 -- Hunting lodge, a temporary residence for the purpose of hunting.
 -- Hunting seat, a hunting lodge. Gray.
 -- Hunting shirt, a coarse shirt for hunting, often of leather.
 -- Hunting spider (Zoöl.), a spider which hunts its prey, instead of
catching it in a web; a wolf spider.
 -- Hunting watch. See Hunter, 6.

HUNTRESS
Hunt"ress, n.

Defn: A woman who hunts or follows the chase; as, the huntress Diana.
Shak.

HUNTSMAN
Hunts"man, n.; pl. Huntsmen (.

1. One who hunts, or who practices hunting.

2. The person whose office it is to manage the chase or to look after
the hounds. L'Estrange. Huntsman's cup (Bot.), the sidesaddle flower,
or common American pitcher plant (Sarracenia purpurea).

HUNTSMANSHIP
Hunts"man*ship, n.

Defn: The art or practice of hunting, or the qualification of a
hunter. Donne.

HUNT'S-UP
Hunt's"-up`, n.

Defn: A tune played on the horn very early in the morning to call out
the hunters; hence, any arousing sound or call. [Obs.] Shak.
Time plays the hunt's-up to thy sleepy head. Drayton.

HURDEN
Hur"den, n. Etym: [From Hurds.]

Defn: A coarse kind of linen; -- called also harden. [Prov. Eng.]

HURDLE
Hur"dle, n. Etym: [OE. hurdel, hirdel, AS. hyrdel; akin to D. horde,
OHG. hurt, G. hürde a hurdle, fold, pen, Icel. hur door, Goth.
haúrds, L. cratis wickerwork, hurdle, Gr. k to spin, c to bind,
connect. sq. root16. Cf. Crate, Grate, n.]

1. A movable frame of wattled twigs, osiers, or withes and stakes, or
sometimes of iron, used for inclosing land, for folding sheep and
cattle, for gates, etc.; also, in fortification, used as revetments,
and for other purposes.

2. In England, a sled or crate on which criminals were formerly drawn
to the place of execution. Bacon.

3. An artificial barrier, variously constructed, over which men or
horses leap in a race. Hurdle race, a race in which artificial
barriers in the form of hurdles, fences, etc., must be leaped.

HURDLE
Hur"dle, v. t. [imp. & p. p. Hurdleed; p. pr. & vb. n. Hurdleing.]

Defn: To hedge, cover, make, or inclose with hurdles. Milton.

HURDLEWORK
Hur"dle*work`, n.

Defn: Work after manner of a hurdle.

HURDS
Hurds, n. Etym: [See Hards.]

Defn: The coarse part of flax or hemp; hards.

HURDY-GURDY
Hur"dy-gur`dy, n. Etym: [Prob. of imitative origin.]

1. A stringled instrument, lutelike in shape, in which the sound is
produced by the friction of a wheel turned by a crank at the end,
instead of by a bow, two of the strings being tuned as drones, while
two or more, tuned in unison, are modulated by keys.

2. In California, a water wheel with radial buckets, driven by the
impact of a jet.

HURKARU
Hur*ka"ru, n. Etym: [Hind. harkara]

Defn: In India, a running footman; a messenger. [Written also
hurkaroo.]

HURL
Hurl, v. t. [imp. & p. p. Hurled; p. pr. & vb. n. Hurling.] Etym:
[OE. hurlen, hourlen; prob. contracted fr. OE. hurtlen to hurtle, or
probably akin to E. whirl. sq. root16. See Hurtle.]

1. To send whirling or whizzing through the air; to throw with
violence; to drive with great force; as, to hurl a stone or lance.
And hurl'd them headlong to their fleet and main. Pope.

2. To emit or utter with vehemence or impetuosity; as, to hurl
charges or invective. Spenser.

3. Etym: [Cf. Whirl.]

Defn: To twist or turn. "Hurled or crooked feet." [Obs.] Fuller.

HURL
Hurl, v. i.

1. To hurl one's self; to go quickly. [R.]

2. To perform the act of hurling something; to throw something (at
another).
God shall hurl at him and not spare. Job xxvii. 22 (Rev. Ver. ).

3. To play the game of hurling. See Hurling.

HURL
Hurl, n.

1. The act of hurling or throwing with violence; a cast; a fling.
Congreve.

2. Tumult; riot; hurly-burly. [Obs.] Knolles.

3. (Hat Manuf.)

Defn: A table on which fiber is stirred and mixed by beating with a
bowspring.

HURLBAT
Hurl"bat`, n.

Defn: See Whirlbat. [Obs.] Holland.

HURLBONE
Hurl"bone`, n.

1. See Whirlbone.

2. (Far.)

Defn: A bone near the middle of the buttock of a horse. Crabb.

HURLER
Hurl"er, n.

Defn: One who hurls, or plays at hurling.

HURLING
Hurl"ing, n.

1. The act of throwing with force.

2. A kind of game at ball, formerly played.
Hurling taketh its denomination from throwing the ball. Carew.

HURLWIND
Hurl"wind`, n.

Defn: A whirlwind. [Obs.] Sandys.

HURLY
Hur"ly, n. Etym: [Cf. F. hurler to howl.]

Defn: Noise; confusion; uproar.
That, with the hurly, death itself awakes. Shak.

HURLY-BURLY
Hur"ly-bur`ly, n. Etym: [Reduplicated fr. OE. hurly confusion: cf. F.
hurler to howl, yell, L. ululare; or cf. E. hurry.]

Defn: Tumult; bustle; confusion. Shak.
All places were filled with tumult and hurly-burly. Knolles.

HURONIAN
Hu*ro"ni*an, a. Etym: [Named from Lake Huron.] (Geol.)

Defn: Of or pertaining to certain non-fossiliferous rocks on the
borders of Lake Huron, which are supposed to correspond in time to
the latter part of the Archæan age.

HURON-IROQUOUS
Hu"ron-Ir`o*quous", n. (Ethnol.)

Defn: A linguistic group of warlike North American Indians, belonging
to the same stock as the Algonquins, and including several tribes,
among which were the Five Nations. They formerly occupied the region
about Lakes Erie and Ontario, and the larger part of New York.

HURONS
Hu"rons, n. pl.

Defn: ; sing. Huron. (Ethnol.) A powerful and warlike tribe of North
American Indians of the Algonquin stock. They formerly occupied the
country between Lakes Huron, Erie, and Ontario, but were nearly
exterminated by the Five Nations about 1650.

HURR
Hurr, v. i. Etym: [See Hurry.]

Defn: To make a rolling or burring sound. [Obs.]
R is the dog's letter, and hurreth in the sound. B. Jonson.

HURRAH; HURRA
Hur*rah" Hur*ra", interj. Etym: [Cf. G., Dan., & Sw. hurra. Cf.
Huzza.]

Defn: A word used as a shout of joy, triumph, applause,
encouragement, or welcome.
Hurrah! hurrah! for Ivry and Henry of Navarre. Macaulay.

HURRAH
Hur*rah", n.

Defn: A cheer; a shout of joy, etc. Hurrah's nest, state of utmost
confusion. [Colloq. U.S.]
A perfect hurrah's nest in our kitchen. Mrs. Stowe.

HURRAH
Hur*rah", v. i.

Defn: To utter hurrahs; to huzza.

HURRAH
Hur*rah", v. t.

Defn: To salute, or applaud, with hurrahs.

HURRICANE
Hur"ri*cane, n. Etym: [Sp. hurracan; orig. a Carib word signifying, a
high wind.]

Defn: A violent storm, characterized by extreme fury and sudden
changes of the wind, and generally accompanied by rain, thunder, and
lightning; -- especially prevalent in the East and West Indies. Also
used figuratively.
Like the smoke in a hurricane whirl'd. Tennyson.
Each guilty thought to me is A dreadful hurricane. Massinger.
Hurricane bird (Zoöl.), the frigate bird.
 -- Hurricane deck. (Naut.) See under Deck.

HURRICANO
Hur`ri*ca"no, n.; pl. Hurricanoes.

Defn: A waterspout; a hurricane. [Obs.] Drayton. "You cataracts and
hurricanoes, spout." Shak.

HURRIED
Hur"ried, a.

1. Urged on; hastened; going or working at speed; as, a hurried
writer; a hurried life.

2. Done in a hurry; hence, imperfect; careless; as, a hurried job. "A
hurried meeting." Milton.
 -- Hur"ried*ly, adv.
 -- Hur"ried*ness, n.

HURRIER
Hur"ri*er, n.

Defn: One who hurries or urges.

HURRIES
Hur"ries, n.

Defn: A staith or framework from which coal is discharged from cars
into vessels.

HURRY
Hur"ry, v. t. [imp. & p. p. Hurried; p. pr. & vb. n. Hurrying.] Etym:
[OE. horien; cf. OSw. hurra to whirl round, dial. Sw. hurr great
haste, Dan. hurre to buzz, Icel. hurr hurly-burly, MHG. hurren to
hurry, and E. hurr, whir to hurry; all prob. of imitative origin.]

1. To hasten; to impel to greater speed; to urge on.
Impetuous lust hurries him on. South.
They hurried him abroad a bark. Shak.

2. To impel to precipitate or thoughtless action; to urge to confused
or irregular activity.
And wild amazement hurries up and down The little number of your
doubtful friends. Shak.

3. To cause to be done quickly.

Syn.
 -- To hasten; precipitate; expedite; quicken; accelerate; urge.

HURRY
Hur"ry, v. i.

Defn: To move or act with haste; to proceed with celerity or
precipitation; as, let us hurry. To hurry up, to make haste.
[Colloq.]

HURRY
Hur"ry, n.

Defn: The act of hurrying in motion or business; pressure; urgency;
bustle; confusion.
Ambition raises a tumult in the soul, it inflames the mind, and puts
into a violent hurry of thought. Addison.

Syn.
 -- Haste; speed; dispatch. See Haste.

HURRYINGLY
Hur"ry*ing*ly, adv.

Defn: In a hurrying manner.

HURRY-SKURRY
Hur"ry-skur`ry, adv. Etym: [An imitative word; cf. Sw. skorra to
rattle, snarl, E. scurry.]

Defn: Confusedly; in a bustle. [Obs.] Gray.

HURST
Hurst, n. Etym: [OE. hurst, AS. hyrst; akin to OHG. hurst, horst,
wood, thicket, G. horst the nest of a bird of prey, an eyerie,
thicket.]

Defn: A wood or grove; -- a word used in the composition of many
names, as in Hazlehurst.

HURT
Hurt, n. (Mach.)
(a) A band on a trip-hammer helve, bearing the trunnions.
(b) A husk. See Husk, 2.

HURT
Hurt, v. t. [imp. & p. p. Hurt; p. pr. & vb. n. Hurting.] Etym: [OE.
hurten, hirten, horten, herten; prob. fr. OF. hurter, heurter, to
knock, thrust, strike, F. heurter; cf. W. hyrddu to push, drive,
assault, hwrdd a stroke, blow, push; also, a ram, the orig. sense of
the verb thus perhaps being, to butt as a ram; cf. D. horten to push,
strike, MHG. hurten, both prob. fr. Old French.]

1. To cause physical pain to; to do bodily harm to; to wound or
bruise painfully.
The hurt lion groans within his den. Dryden.

2. To impar the value, usefulness, beauty, or pleasure of; to damage;
to injure; to harm.
Virtue may be assailed, but never hurt. Milton.

3. To wound the feelings of; to cause mental pain to; to offend in
honor or self-respect; to annoy; to grieve. "I am angry and hurt."
Thackeray.

HURTER
Hurt"er, n.

1. A bodily injury causing pain; a wound, bruise, or the like.
The pains of sickness and hurts . . . all men feel. Locke.

2. An injury causing pain of mind or conscience; a slight; a stain;
as of sin.
But the jingling of the guinea helps the hurt that Honor feels.
Tennyson.

3. Injury; damage; detriment; harm; mischief.
Thou dost me yet but little hurt. Shak.

Syn.
 -- Wound; bruise; injury; harm; damage; loss; detriment; mischief;
bane; disadvantage.

HURTER
Hurt"er, n.

Defn: One who hurts or does harm.
I shall not be a hurter, if no helper. Beau. & Fl.

HURTER
Hurt"er, n. Etym: [F. heurtoir, lit., a striker. See Hurt, v. t.]

Defn: A butting piece; a strengthening piece, esp.: (Mil.) A piece of
wood at the lower end of a platform, designed to prevent the wheels
of gun carriages from injuring the parapet.

HURTFUL
Hurt"ful, a.

Defn: Tending to impair or damage; injurious; mischievous;
occasioning loss or injury; as, hurtful words or conduct.

Syn.
 -- Pernicious; harmful; baneful; prejudicial; detrimental;
disadvantageous; mischievous; injurious; noxious; unwholesome;
destructive.
 -- Hurt"ful*ly, adv.
 -- Hurt"ful*ness, n.

HURTLE
Hur"tle, v. i. [imp. & p. p. Hurtled; p. pr. & vb. n. Hurtling.]
Etym: [OE. hurtlen, freq. of hurten. See Hurt, v. t., and cf. Hurl.]

1. To meet with violence or shock; to clash; to jostle.
Together hurtled both their steeds. Fairfax.

2. To move rapidly; to wheel or rush suddenly or with violence; to
whirl round rapidly; to skirmish.
Now hurtling round, advantage for to take. Spenser.
Down the hurtling cataract of the ages. R. L. Stevenson.

3. To make a threatening sound, like the clash of arms; to make a
sound as of confused clashing or confusion; to resound.
The noise of battle hurtled in the air. Shak.
The earthquake sound Hurtling 'death the solid ground. Mrs. Browning.

HURTLE
Hur"tle, v. t.

1. To move with violence or impetuosity; to whirl; to brandish.
[Obs.]
His harmful club he gan to hurtle high. Spenser.

2. To push; to jostle; to hurl.
And he hurtleth with his horse adown. Chaucer.

HURTLEBERRY
Hur"tle*ber`ry, n. Etym: [Cf. Huckleberry, Whortleberry.]

Defn: See Whortleberry.

HURTLESS
Hurt"less, a.

Defn: Doing no injury; harmless; also, unhurt; without injury or
harm.
Gentle dame so hurtless and so true. Spenser.
-- Hurt"less*ly, adv.
 -- Hurt"less*ness, n.

HUSBAND
Hus"band, n. Etym: [OE. hosebonde, husbonde, a husband, the master of
the house or family, AS. h master of the house; h house + bunda,
bonda, householder, husband; prob. fr. Icel. h house master, husband;
h house + b dwelling, inhabiting, p.pr. of b to dwell; akin to AS. b,
Goth. bauan. See House Be, and cf. Bond a slave, Boor.]

1. The male head of a household; one who orders the economy of a
family. [Obs.]

2. A cultivator; a tiller; a husbandman. [Obs.] Shak.
The painful husband, plowing up his ground. Hakewill.
He is the neatest husband for curious ordering his domestic and field
accommodations. Evelyn.

3. One who manages or directs with prudence and economy; a frugal
person; an economist. [R.]
God knows how little time is left me, and may I be a good husband, to
improve the short remnant left me. Fuller.

4. A married man; a man who has a wife; -- the correlative to wife.
The husband and wife are one person in law. Blackstone.

5. The male of a pair of animals. [R.] Dryden. A ship's husband
(Naut.), an agent representing the owners of a ship, who manages its
expenses and receipts.

HUSBAND
Hus"band, v. t. [imp. & p. p. Husbanded; p. pr. & vb. n. Husbanding.]

1. To direct and manage with frugality; to use or employ to good
purpose and the best advantage; to spend, apply, or use, with
economy.
For my means, I'll husband them so well, They shall go far. Shak.

2. To cultivate, as land; to till. [R.]
Land so trim and rarely husbanded. Evelyn.

3. To furnish with a husband. [R.] Shak.

HUSBANDABLE
Hus"band*a*ble, a.

Defn: Capable of being husbanded, or managed with economy. Sherwood.

HUSBANDAGE
Hus"band*age, n. (Naut.)

Defn: The commission or compensation allowed to a ship's husband.

HUSBANDLESS
Hus"band*less, a.

Defn: Destitute of a husband. Shak.

HUSBANDLY
Hus"band*ly, a.

Defn: Frugal; thrifty. [R.] Tusser.

HUSBANDMAN
Hus"band*man, n.; pl. Husbandmen (.

1. The master of a family. [Obs.] Chaucer.

2. A farmer; a cultivator or tiller of the ground.

HUSBANDRY
Hus"band*ry, n.

1. Care of domestic affairs; economy; domestic management; thrift.
There's husbandry in heaven; Their candles are all out. Shak.

2. The business of a husbandman, comprehending the various branches
of agriculture; farming.
Husbandry supplieth all things necessary for food. Spenser.

HUSH
Hush, v. t. [imp. & p. p. Hushed; p. pr. & vb. n. Hushing.] Etym:
[OE. huschen, hussen, prob. of imitative origin; cf. LG. hussen to
lull to sleep, G. husch quick, make haste, be silent.]

1. To still; to silence; to calm; to make quiet; to repress the noise
or clamor of.
My tongue shall hush again this storm of war. Shak.

2. To appease; to allay; to calm; to soothe.
With thou, then, Hush my cares Otway.
And hush'd my deepest grief of all. Tennyson.
To hush up, to procure silence concerning; to suppress; to keep
secret. "This matter is hushed up." Pope.

HUSH
Hush, v. i.

Defn: To become or to keep still or quiet; to become silent; -- esp.
used in the imperative, as an exclamation; be still; be silent or
quiet; make no noise.
Hush, idle words, and thoughts of ill. Keble.
But all these strangers' presence every one did hush. Spenser.

HUSH
Hush, n.

Defn: Stillness; silence; quiet. [R.] "It is the hush of night."
Byron. Hush money, money paid to secure silence, or to prevent the
disclosure of facts. Swift.

HUSH
Hush, a.

Defn: Silent; quiet. "Hush as death." Shak.

HUSHER
Hush"er, n.

Defn: An usher. [Obs.] Spenser.

HUSHING
Hush"ing, n. (Mining)

Defn: The process of washing ore, or of uncovering mineral veins, by
a heavy discharge of water from a reservoir; flushing; -- also called
booming.

HUSK
Husk, n. Etym: [Prob. for hulsk, and from the same root as hull a
husk. See Hull a husk.]

1. The external covering or envelope of certain fruits or seeds;
glume; hull; rind; in the United States, especially applied to the
covering of the ears of maize.

2. The supporting frame of a run of millstones. Husks of the prodigal
son (Bot.), the pods of the carob tree. See Carob.

HUSK
Husk, v. t. [imp. & p. p. Husked; p. pr. & vb. n. Husking.]

Defn: To strip off the external covering or envelope of; as, to husk
Indian corn.

HUSKED
Husked, a.

1. Covered with a husk.

2. Stripped of husks; deprived of husks.

HUSKILY
Hus"ki*ly, adv. Etym: [From Husky.]

Defn: In a husky manner; dryly.

HUSKINESS
Hus"ki*ness, n.

1. The state of being husky.

2. Roughness of sound; harshness; hoarseness; as, huskiness of voice.
G. Eliot.

HUSKING
Husk"ing, n.

1. The act or process of stripping off husks, as from Indian corn.

2. A meeting of neighbors or friends to assist in husking maize; --
called also husking bee. [U.S.] "A red ear in the husking."
Longfellow.

HUSKY
Husk"y, a. Etym: [From Husk, n.]

Defn: Abounding with husks; consisting of husks. Dryden.

HUSKY
Hus"ky, a. Etym: [Prob. for husty; cf. OE. host cough, AS. hwosta;
akin to D. hoest, G. husten, OHG. huosto, Icel. hosti. See Wheeze.]

Defn: Rough in tone; harsh; hoarse; raucous; as, a husky voice.

HUSO
Hu"so, n. Etym: [NL., fr. G. hausen, and E. isin (Zoöl.)
(a) A large European sturgeon (Acipenser huso), inhabiting the region
of the Black and Caspian Seas. It sometimes attains a length of more
than twelve feet, and a weight of two thousand pounds. Called also
hausen.
(b) The huchen, a large salmon.

HUSSAR
Hus*sar", n. Etym: [Hung. huszár, from husz twenty, because under
King Matthais I., in the fifteenth century, every twenty houses were
to furnish one horse soldier; cf. G. husar, F. houssard, hussard,
from the same source.] (Mil.)

Defn: Originally, one of the national cavalry of Hungary and Croatia;
now, one of the light cavalry of European armies.

HUSSITE
Huss"ite, n. (Eccl. Hist.)

Defn: A follower of John Huss, the Bohemian reformer, who was
adjudged a heretic and burnt alive in 1415.

HUSSY
Hus"sy, n. Etym: [Contr. fr. huswife.]

1. A housewife or housekeeper. [Obs.]

2. A worthless woman or girl; a forward wench; a jade; -- used as a
term of contempt or reproach. Grew.

3. A pert girl; a frolicsome or sportive young woman; -- used
jocosely. Goldsmith.

HUSSY
Hus"sy, n. Etym: [From Icel. h a case, prob. fr. h house. See House,
and cf. Housewife a bag, Huswife a bag.]

Defn: A case or bag. See Housewife, 2.

HUSTINGS
Hus"tings, n. pl. Etym: [OE. husting an assembly, coucil, AS. h; of
Scand. origin; cf. Icel. h; h home + thing, assembly, meeting; akin
to Dan. & Sw. ting, E. thing. See House, and Thing.]

1. A court formerly held in several cities of England; specif., a
court held in London, before the lord mayor, recorder, and sheriffs,
to determine certain classes of suits for the recovery of lands
within the city. In the progress of law reform this court has become
unimportant. Mozley & W.

2. Any one of the temporary courts held for the election of members
of the British Parliament.

3. The platform on which candidates for Parliament formerly stood in
addressing the electors. [Eng.]
When the rotten hustings shake In another month to his brazen lies.
Tennyson.

HUSTLE
Hus"tle, v. t. [imp. & p. p. Hustled; p. pr. & vb. n. Hustling.]
Etym: [D. hustelen to shake, fr. husten to shake. Cf. Hotchpotch.]

Defn: To shake together in confusion; to push, jostle, or crowd
rudely; to handle roughly; as, to hustle a person out of a room.
Macaulay.

HUSTLE
Hus"tle, v. i.

Defn: To push or crows; to force one's way; to move hustily and with
confusion; a hurry.
Leaving the king, who had hustled along the floor with his dress
worfully arrayed. Sir W. Scott.

HUSWIFE
Hus"wife, n. Etym: [OE. huswif; hus house + wif wife. Cf. Hussy a
housewife, Housewife.] [Written also housewife.]

1. A female housekeeper; a woman who manages domestic affairs; a
thirfty woman. "The bounteous huswife Nature." Shak.
The huswife is she that do labor doth fall. Tusser.

2. A worthless woman; a hussy. [Obs.] Shak.

3. Etym: [See Hussy a bag.]

Defn: A case for sewing materials. See Housewife. Cowper.

HUSWIFE
Hus"wife, v. t.

Defn: To manage with frugality; -- said of a woman. Dryden.

HUSWIFELY
Hus"wife*ly, a.

Defn: Like a huswife; capable; economical; prudent.
 -- adv.

Defn: In a huswifely manner.

HUSWIFERY
Hus"wife*ry, n.

Defn: The business of a housewife; female domestic economy and skill.
Tusser.

HUT
Hut, n. Etym: [OE. hotte; akin to D. hut, G. hütte, OHG. hutta, Dan.
hytte, Sw. hydda; and F. hutte, of G. origin; all akin to E. hide to
conceal. See Hude to conceal.]

Defn: A small house, hivel, or cabin; a mean lodge or dwelling; a
slightly built or temporary structure.
Death comes on with equal footsteps To the hall and hut. Bp. Coxe.

HUTCH
Hutch, v. t. & i. [imp. & p. p. Hutted; p. pr. & vb. n. Hutting.]

Defn: To place in huts; to live in huts; as, to hut troops in winter
quarters.
The troops hutted among the heights of Morristown. W. Irving.

HUTCH
Hutch, n. Etym: [OE. hucche, huche, hoche, F. huche, LL. hutica.]

1. A chest, box, coffer, bin, coop, or the like, in which things may
be stored, or animals kept; as, a grain hutch; a rabbit hutch.

2. A measure of two Winchester bushels.

3. (Mining)

Defn: The case of a flour bolt.

4. (Mining)
(a) A car on low wheels, in which coal is drawn in the mine and
hoisted out of the pit.
(b) A jig for washing ore. Bolting hutch, Booby hutch, etc. See under
Bolting, etc.

HUTCH
Hutch, v. t. [imp. & p. p. Hutched; p. pr. & vb. n. Hutching.]

1. To hoard or lay up, in a chest. [R.] "She hutched the . . . ore."
Milton.

2. (Mining)

Defn: To wash (ore) in a box or jig.

HUTCHUNSONIAN
Hutch`un*so"ni*an, n.

Defn: A follower of John Hutchinson of Yorkshire, England, who
believed that the Hebrew Scriptures contained a complete system of
natural science and of theology.

HUTTONIAN
Hut*to"ni*an, a.

Defn: Relating to what is now called the Plutonic theory of the
earth, first advanced by Dr. James Hutton. Lyell.

HUTTONING
Hut"ton*ing, n. [So named after two English bonesetters, Richard and
Robert Hutton, who made it a part of their method.] (Med.)

Defn: Forcible manipulation of a dislocated, stiff, or painful joint.

HUXTER
Hux"ter, n. & v. i.

Defn: See Huckster.

HUYGHENIAN
Huy*ghe"ni*an, a.

Defn: Pertaining to, or invented by, Christian Huyghens, a Dutch
astronomer of the seventeenth century; as, the Huyghenian telescope.
Huyghenian eyepieceSee under Eyepiece.

HUZZ
Huzz, v. i. Etym: [An onomatopoea. sq. root43. Cf. Buzz.]

Defn: To buzz; to murmur. [Obs.]
Huzzing and burring in the preacher's ear. Latimer.

HUZZA
Huz*za", interj. Etym: [Cf. G. hussa, husa, interj., hurrah, huzza.
sq. root43. Cf. Hurrah.]

Defn: A word used as a shout of joy, exultation, approbation, or
encouragement.

HUZZA
Huz"za, n.

Defn: A shout of huzza; a cheer; a hurrah.
They made a great huzza or shout. Evelyn.

HUZZA
Huz*za", v. i. [imp. & p. p. Huzzaed; p. pr. & vb. n. Huzzaing.]

Defn: To shout huzza; to cheer.

HUZZA
Huz*za", v. t.

Defn: To receive or attend with huzzas.
He was huzzaed into the court. Addison.

HY
Hy, a.

Defn: High. [Obs.] Chaucer.

HYACINE
Hy"a*cine, n.

Defn: A hyacinth. [Obs.] Spenser.

HYACINTH
Hy"a*cinth, n. Etym: [L. hyacinthus a kind of flower, prob. the iris,
gladiolus, or larkspur, also a kind of gem, perh. the sapphire; as, a
proper name, Hyacinthus, a beautiful Laconian youth, beloved by
Apollo, fr. Gr. hyacinthe. Cf. Jacinth. The hyacinth was fabled to
have sprung from the blood of Hyacinthus, who was accidentally slain
by Apollo.]

1. (Bot.)
(a) A bulbous plant of the genus Hyacinthus, bearing beautiful spikes
of fragrant flowers. H. orientalis is a common variety.
(b) A plant of the genus Camassia (C. Farseri), called also Eastern
camass; wild hyacinth.
(c) The name also given to Scilla Peruviana, a Mediterranean plant,
one variety of which produces white, and another blue, flowers; --
called also, from a mistake as to its origin, Hyacinth of Peru.

2. (Min.)

Defn: A red variety of zircon, sometimes used as a gem. See Zircon.
Hyacinth bean (Bot.), a climbing leguminous plant (Dolichos Lablab),
related to the true bean. It has dark purple flowers and fruit.

HYACINTHIAN
Hy`a*cin"thi*an, a.

Defn: Hyacinthine. [R.]

HYACINTHINE
Hy`a*cin"thine, a. Etym: [L. hyacinthinus, Gr.

Defn: Belonging to the hyacinth; resemblingthe hyacinth; in color
like the hyacinth. Milton.
His curling locks like hyacinthine flowers. Cowper.
The hyacinthine boy, for whom Morn well might break and April bloom.
Emerson.

HYADES; HYADS
Hy"a*des, Hy"ads, n.pl. Etym: [L. Hyades, Gr. (Astron.)

Defn: A cluster of five stars in the face of the constellation
Taurus, supposed by the ancients to indicate the coming of rainy
weather when they rose with the sun.
Thro' scudding drifts the rainy Hyaned Vext the dim sea. Tennyson.

HYAENA
Hy*æ"na, n. (Zoöl.)

Defn: Same as Hyena.

HYALEA
Hy*a"le*a, n. Etym: [NL., fr. Gr. (Zoöl.)

Defn: A pteroid of the genus Cavolina. See Pteropoda, and
Illustration in Appendix.

HYALESCENCE
Hy`a*les"cence, n. Etym: [See Hyaline.]

Defn: The process of becoming, or the state of being, transparent
like glass.

HYALINE
Hy"a*line, a. Etym: [L. hyalinus, Gr. hyalin.]

Defn: Glassy; resembling glass; consisting of glass; transparent,
like crystal. "Hyaline spaces." Carpenter.

HYALINE
Hy"a*line, n.

1. A poetic term for the sea or the atmosphere. "The clear hyaline,
the glassy sea." Milton.
Our blood runs amazed 'neath the calm hyaline. Mrs. Browning.

2. (Biol.)

Defn: The pellucid substance, present in cells in process of
development, from which, according to some embryologists, the cell
nucleous originates.

3. (Physiol. Chem.)

Defn: The main constituent of the walls of hydatid cysts; a
nitrogenous body, which, by decomposition, yields a dextrogyrate
sugar, susceptible of alcoholic fermentation. Gamgee.

HYALITE
Hy"a*lite, n. Etym: [Gr. hyalite.] (Min.)

Defn: A pellucid variety of opal in globules looking like colorless
gum or resin; -- called also Müller's glass.

HYALOGRAPH
Hy*al"o*graph, n. Etym: [Gr. graph.]

Defn: An instrument for tracing designs on glass.

HYALOGRAPHY
Hy`a*log"ra*phy, n.

Defn: Art of writing or engraving on glass.

HYALOID
Hy"a*loid, a. Etym: [Gr. hyaloïde.] (Anat.)

Defn: Resembling glass; vitriform; transparent; hyaline; as, the
hyaloid membrane, a very delicate membrane inclosing the vitreous
humor of the eye.

HYALONEMA
Hy`a*lo*ne"ma, n. Etym: [NL., fr. Gr. (Zoöl.)

Defn: A genus of hexactinelline sponges, having a long stem composed
of very long, slender, transparent, siliceous fibres twisted together
like the strands of a color. The stem of the Japanese species (H.
Sieboldii), called glass-rope, has long been in use as an ornament.
See Glass-rope.

HYALOPHANE
Hy*al"o*phane, n. Etym: [Gr. (Min.)

Defn: A species of the feldspar group containing barium. See
Feldspar.

HYALOSPONGIA
Hy`a*lo*spon"gi*a, n. pl. Etym: [NL., fr. Gr. (Zoöl.)

Defn: An order of vitreous sponges, having glassy six-rayed,
siliceous spicules; -- called also Hexactinellinæ.

HYALOTYPE
Hy*al"o*type, n. Etym: [Gr. -type.]

Defn: A photographic picture copied from the negative on glass; a
photographic transparency. R. Hunt.

HYBERNACLE; HYBERNATE; HYBERNATION
Hy*ber"na*cle, Hy"ber*nate, Hy`ber*na"tion.

Defn: See Hibernacle, Hibernate, Hibernation.

HYBLAEAN
Hy*blæ"an, a. Etym: [L. Hyblaeus.]

Defn: Pertaining to Hybla, an ancient town of Sicily, famous for its
bees.

HYBODONT
Hyb"o*dont, a. Etym: [Gr. (Paleon.)

Defn: Of, pertaining to, or resembling, an extinct genus of sharks
(Hybodus), especially in the form of the teeth, which consist of a
principal median cone with smaller lateral ones.

HYBODUS
Hyb"o*dus, n. Etym: [NL. See Hybodont.] (Paleon.)

Defn: An extinct genus of sharks having conical, compressed teeth.

HYBRID
Hy"brid, n. Etym: [L. hybrida, hibrida, prob. allied to Gr. over: cf.
F. hybride.] (Biol.)

Defn: The offspring of the union of two distinct species; an animal
or plant produced from the mixture of two species. See Mongrel.

HYBRID
Hy"brid, a.

Defn: Produced from the mixture of two species; as, plants of hybrid
nature.

HYBRIDISM
Hy"brid*ism, n.

Defn: The state or quality of being hybrid.

HYBRIDIST
Hy"brid*ist, n.

Defn: One who hybridizes.

HYBRIDITY
Hy*brid"i*ty, n.

Defn: Hybridism.

HYBRIDIZABLE
Hy"brid*i`za*ble, a.

Defn: Capable of forming a hybrid, or of being subjected to a
hybridizing process; capable of producing a hybrid by union with
another species or stock.
Hybridizable genera are rarer than is generally supposed, even in
gardens where they are so often operated upon, under circumstances
most favorable to the production of hybrids. J. D. Hooker.

HYBRIDIZATION
Hy`brid*i*za"tion, n.

Defn: The act of hybridizing, or the state of being hybridized.

HYBRIDIZE
Hy"brid*i`ze, v. t. [imp. & p. p. Hybridized; p. pr. & vb. n.
Hybridizing.]

Defn: To render hybrid; to produce by mixture of stocks.

HYBRIDIZER
Hy"brid*i`zer, n.

Defn: One who hybridizes.

HYBRIDOUS
Hy"brid*ous, a.

Defn: Same as Hybrid.

HYDAGE
Hyd"age, n. (Law)

Defn: A land tax. See Hidage.

HYDANTOIC
Hy`dan*to"ic, a. (Chem.)

Defn: Pertaining to, or derived from, hydantoin. See Glycoluric.

HYDANTOIN
Hy*dan"to*in, n. Etym: [Hydrogen + allantion.] (Chem.)

Defn: A derivative of urea, C3H4N2O2, obtained from allantion, as a
white, crystalline substance, with a sweetish taste; -- called also
glycolyl urea.

HYDATID
Hy"da*tid, n. Etym: [Gr. "y`dwr, "y`datos, water: cf. F. hydatide.]
(Zoöl.)

Defn: A membranous sac or bladder filled with a pellucid fluid, found
in various parts of the bodies of animals, but unconnected with the
tissues. It is usually formed by parasitic worms, esp. by larval
tapeworms, as Echinococcus and Coenurus. See these words in the
Vocabulary. Hydatid of Morgagni (Anat.), one of the small
pedunculated bodies found between the testicle and the head of the
epididymis, and supposed to be a remnant of the Müllerian duct.

HYDATIFORM
Hy*dat"i*form, a. Etym: [Hydatid + -form.]

Defn: Resembling a hydatid.

HYDATOID
Hy"da*toid, a. Etym: [Gr. "y`dwr, "y`datos, water + -oid.] (Anat.)

Defn: Resembling water; watery; aqueous; hyaloid.

HYDR-
Hy"dr-

Defn: . See under Hydro-.

HYDRA
Hy"dra, n.; pl. E. Hydras, L. Hydræ. Etym: [L. hydra, Gr. "y`dra;
akin to "y`dwr water. See Otter the animal, Water.]

1. (Class. Myth.)

Defn: A serpent or monster in the lake or marsh of Lerna, in the
Peloponnesus, represented as having many heads, one of which, when
cut off, was immediately succeeded by two others, unless the wound
was cauterized. It was slain by Hercules. Hence, a terrible monster.
Gorgons, and Hydras, and Chimeras dire. Milton.

2. Hence: A multifarious evil, or an evil having many sources; not to
be overcome by a single effort.

3. (Zoöl.)

Defn: Any small fresh-water hydroid of the genus Hydra, usually found
attached to sticks, stones, etc., by a basal sucker.

Note: The body is a simple tube, having a mouth at one extremity,
surrounded by a circle of tentacles with which it captures its prey.
Young hydras bud out from the sides of the older ones, but soon
become detached and are then like their parent. Hydras are remarkable
for their power of repairing injuries; for if the body be divided in
pieces, each piece will grow into a complete hydra, to which fact the
name alludes. The zooids or hydranths of marine hydroids are
sometimes called hydras.

4. (Astron.)

Defn: A southern constellation of great length lying southerly from
Cancer, Leo, and Virgo.

HYDRACHNID
Hy*drach"nid, n. Etym: [Hydr- + arachnid.] (Zoöl.)

Defn: An aquatic mite of the genus Hydrachna. The hydrachids, while
young, are parasitic on fresh-water mussels.

HYDRACID
Hy*drac"id, n. Etym: [Hydr- + acid: cf. F. hydracide.] (Chem.)

Defn: An acid containing hydrogen; -- sometimes applied to
distinguish acids like hydrochloric, hydrofluoric, and the like,
which contain no oxygen, from the oxygen acids or oxacids. See Acid.

HYDRACRYLIC
Hy`dra*cryl"ic, a. Etym: [Hydr- + acrylic.] (Chem.)

Defn: Pertaining to, or designating, an isomeric variety of lastic
acid that breaks down into acrylic acid and water.

HYDRACTINIAN
Hy`drac*tin"i*an, n. Etym: [See Hydra, and Actinia.] (Zoöl.)

Defn: Any species or marine hydroids, of the genus Hydractinia and
allied genera. These hydroids form, by their rootstalks, a firm,
chitinous coating on shells and stones, and esp. on spiral shells
occupied by hermit crabs. See Illust. of Athecata.

HYDRAEMIA
Hy*dræ"mi*a, n. Etym: [NL., fr. Gr. "y`dwr water + (Med.)

Defn: An abnormally watery state of the blood; anæmia.

HYDRAGOGUE
Hy"dra*gogue, a. Etym: [L. hydragogus conveying off water, Gr. "y`dwr
water + hydragogue.] (Med.)

Defn: Causing a discharge of water; expelling serum effused into any
part of the body, as in dropsy.
 -- n.

Defn: A hydragogue medicine, usually a cathartic or diuretic.

HYDRAMIDE
Hy*dram"ide, n. Etym: [Hydr- + -amide.] (Chem.)

Defn: One of a group of crystalline bodies produced by the action of
ammonia on certain aldehydes.

HYDRAMINE
Hy*dram"ine, n. Etym: [Hydroxyl + amine.] (Chem.)

Defn: One of a series of artificial, organic bases, usually produced
as thick viscous liquids by the action of ammonia on ethylene oxide.
They have the properties both of alcohol and amines.

HYDRANGEA
Hy*dran"ge*a, n. Etym: [NL., fr. Gr. "y`dwr water + hydrangée.]
(Bot.)

Defn: A genus of shrubby plants bearing opposite leaves and large
heads of showy flowers, white, or of various colors. H. hortensis,
the common garden species, is a native of China or Japan.

HYDRANT
Hy"drant, n. Etym: [Gr. "y`dwr water. See Hydra.]

Defn: A discharge pipe with a valve and spout at which water may be
drawn from the mains of waterworks; a water plug.

HYDRANTH
Hy"dranth, n. Etym: [Hydra + Gr. (Zoöl.)

Defn: One of the nutritive zooids of a hydroid colony. Also applied
to the proboscis or manubrium of a hydroid medusa. See Illust. of
Hydroidea.

HYDRARGOCHLORIDE
Hy*drar"go*chlo"ride, n. Etym: [Hydrargyrum + chloride.] (Chem.)

Defn: A compound of the bichloride of mercury with another chloride.
[Obs.]

HYDRARGYRATE
Hy*drar"gy*rate, a.

Defn: Of or pertaining to mercury; containing, or impregnated with,
mercury. [R.]

HYDRARGYRISM
Hy*drar"gy*rism, n. (Med.)

Defn: A diseased condition produced by poisoning with hydrargyrum, or
mercury; mercurialism.

HYDRARGYRUM
Hy*drar"gy*rum, n. Etym: [NL., fr. L. hydrargyrus, Gr. (Chem.)

Defn: Quicksilver; mercury.

HYDRARTHROSIS
Hy`drar*thro"sis, n. Etym: [NL. See Hydro-, 1, and Arthrosis.] (Med.)

Defn: An effusion of watery liquid into the cavity of a joint.

HYDRASTINE
Hy*dras"tine, n. (Chem.)

Defn: An alkaloid, found in the rootstock of the golden seal
(Hydrastis Canadensis), and extracted as a bitter, white, crystalline
substance. It is used as a tonic and febrifuge.

HYDRA-TAINTED
Hy"dra-taint`ed, a.

Defn: Dipped in the gall of the fabulous hydra; poisonous; deadly.
Cowper.

HYDRATE
Hy"drate, n. Etym: [Gr. "y`dwr water: cf. F. hydrate.] (Chem.)
(a) A compound formed by the union of water with some other
substance, generally forming a neutral body, as certain crystallized
salts.
(b) A substance which does not contain water as such, but has its
constituents (hydrogen, oxygen, hydroxyl) so arranged that water may
be eliminated; hence, a derivative of, or compound with, hydroxyl;
hydroxide; as, ethyl hydrate, or common alcohol; calcium hydrate, or
slaked lime.

HYDRATE
Hy"drate, v. t. [imp. & p. p. Hydrated; p. pr. & vb. n. Hydrating.]

Defn: To form into a hydrate; to combine with water.

HYDRATED
Hy"dra*ted, a.

Defn: Formed into a hydrate; combined with water.

HYDRATION
Hy*dra"tion, n. (Chem.)

Defn: The act of becoming, or state of being, a hydrate. Water of
hydration (Chem.), water chemically combined with some substance to
form a hydrate; -- distinguished from water of crystallization.

HYDRAULIC
Hy*drau"lic, a. Etym: [F. hydraulique, L. hydraulicus, fr. Gr. "y`dwr
water + Hydra.]

Defn: Of or pertaining to hydraulics, or to fluids in motion;
conveying, or acting by, water; as, an hydraulic clock, crane, or
dock. Hydraulic accumulator, an accumulator for hydraulic machinery
of any kind. See Accumulator, 2.
 -- Hydraulic brake, a cataract. See Cataract, 3.
 -- Hydraulic cement, a cement or mortar made of hydraulic lime,
which will harden under water.
 -- Hydraulic elevator, a lift operated by the weight or pressure of
water.
 -- Hydraulic jack. See under Jack.
 -- Hydraulic lime, quicklime obtained from hydraulic limestone, and
used for cementing under water, etc.
 -- Hydraulic limestone, a limestone which contains some clay, and
which yields a quicklime that will set, or form a firm, strong mass,
under water.
 -- Hydraulic main (Gas Works), a horizontal pipe containing water at
the bottom into which the ends of the pipes from the retorts dip, for
passing the gas through water in order to remove ammonia.
 -- Hydraulic mining, a system of mining in which the force of a jet
of water is used to wash down a bank of gold-bearing gravel or earth.
[Pacific Coast] -- Hydraulic press, a hydrostatic press. See under
Hydrostatic.
 -- Hydraulic propeller, a device for propelling ships by means of a
stream of water ejected under water rearward from the ship.
 -- Hydraulic ram, a machine for raising water by means of the energy
of the moving water of which a portion is to be raised. When the rush
of water through the main pipe d shuts the valve at a, the momentum
of the current thus suddenly checked forces part of it into the air
chamber b, and up the pipe c, its return being prevented by a valve
at the entrance to the air chamber, while the dropping of the valve a
by its own weight allows another rush through the main pipe, and so
on alternately.
 -- Hydraulic valve. (Mach.) (a) A valve for regulating the
distribution of water in the cylinders of hydraulic elevators,
cranes, etc. (b) (Gas Works) An inverted cup with a partition dipping
into water, for opening or closing communication between two gas
mains, the open ends of which protrude about the water.

HYDRAULICAL
Hy*drau"lic*al, a.

Defn: Hydraulic.

HYDRAULICON
Hy*drau"li*con, n. Etym: [NL. See Hydraulic.] (Mus.)

Defn: An ancient musical instrument played by the action of water; a
water organ. [Written also hydraulis.]

HYDRAULICS
Hy*drau"lics, n. Etym: [Cf. F. hydraulique.]

Defn: That branch of science, or of engineering, which treats of
fluids in motion, especially of water, its action in rivers and
canals, the works and machinery for conducting or raising it, its use
as a prime mover, and the like.

Note: As a science, hydraulics includes hydrodynamics, or the
principles of mechanics applicable to the motion of water; as a
branch of engineering, it consists in the practical application of
the mechanics of fluids to the control and management of water with
reference to the wants of man, including canals, waterworks,
hydraulic machines, pumps, water wheels, etc. Some writers treat
hydraulics and hydrostatics as subdivisions of hydrodynamics.

HYDRAZINE
Hy"dra*zine, n. Etym: [Hydr- + azo- + -ine.] (Chem.)

Defn: Any one of a series of nitrogenous bases, resembling the amines
and produced by the reduction of certain nitroso and diazo compounds;
as, methyl hydrazine, phenyl hydrazine, etc. They are derivatives of
hydrazine proper, H2N.NH2, which is a doubled amido group, recently
(1887) isolated as a stable, colorless gas, with a peculiar,
irritating odor. As a base it forms distinct salts. Called also
diamide, amidogen, (or more properly diamidogen), etc.

HYDRENCEPHSLOID
Hy"dren*ceph"s*loid, a. Etym: [Hydrencephalus + -oid.] (Med.)

Defn: Same as Hydrocephaloid.

HYDRIA
Hy"dri*a, n. Etym: [L., fr. Gr. (Gr. Antiq.)

Defn: A water jar; esp., one with a large rounded body, a small neck,
and three handles. Some of the most beautiful Greek vases are of this
form.

HYDRIAD
Hy"dri*ad, n. Etym: [Gr. "y`dwr water.] (Myth.)

Defn: A water nymph.

HYDRIC
Hy"dric, a. Etym: [From Hydrogen.] (Chem.)

Defn: Pertaining to, or containing, hydrogen; as, hydric oxide.
Hydric dioxide. (Chem.) See Hydrogen dioxide, under Hydrogen.
 -- Hydric oxide (Chem.), water.
 -- Hydric sulphate (Chem.), hydrogen sulphate or sulphuric acid.

HYDRIDE
Hy"dride, n. Etym: [Hydr- + ide.] (Chem.)

Defn: A compound of the binary type, in which hydrogen is united with
some other element.

HYDRIFORM
Hy"dri*form, a. Etym: [Hydra + -form.] (Zoöl.)

Defn: Having the form or structure of a hydra.

HYDRINA
Hy*dri"na, n. pl. Etym: [NL. See Hydra.] (Zoöl.)

Defn: The group of hydroids to which the fresh-water hydras belong.

HYDRIODATE
Hy*dri"o*date, n. Etym: [Cf. F. hydriodate.] (Zoöl.)

Defn: Same as Hydriodide.

HYDRIODIC
Hy`dri*od"ic, a. Etym: [Hydr- + iodic: cf. F. hydriodique.] (Chem.)

Defn: Pertaining to, or derived from, hydrogen and iodine; -- said of
an acid produced by the combination of these elements. Hydriodic acid
(Chem.), a pungent, colorless gas, HI, usually prepared as a solution
in water. It is strong reducing agent. Called also hydrogen iodine.

HYDRIODIDE
Hy*dri"o*dide, n. (Chem.)

Defn: A compound of hydriodic acid with a base; -- distinguished from
an iodide, in which only the iodine combines with the base.

HYDRO-; HYDR-
Hy"dro-, Hy"dr-.

1. A combining form from Gr. Hydra).

2. (Chem.)

Defn: A combining form of hydrogen, indicating hydrogen as an
ingredient, as hydrochloric; or a reduction product obtained by
hydrogen, as hydroquinone.

HYDRO-AEROPLANE
Hy"dro-a"ër*o*plane`. (Aëronautics)

Defn: An aëroplane with a boatlike or other understructure that
enables it to travel on, or to rise from the surface of, a body of
water by its own motive power.

HYDROBAROMETER
Hy`dro*ba*rom"e*ter, n. Etym: [Hydro-, 1 + barometer.]

Defn: An instrument for determining the depth of the sea water by its
pressure.

HYDROBILIRUBIN
Hy`dro*bil`i*ru"bin, n. Etym: [Hydro-, 2 + bilirubin.] (Physiol.
Chem.)

Defn: A body formed from bilirubin, identical with urobilin.

HYDROBIPLANE
Hy"dro*bi"plane, n.

Defn: A hydro-aëroplane having two supporting planes.

HYDROBRANCHIATA
Hy`dro*bran`chi*a"ta, n. pl. Etym: [NL., fr. Gr. "y`dwr water +
(Zoöl.)

Defn: An extensive artificial division of gastropod mollusks,
including those that breathe by gills, as contrasted with the
Pulmonifera.
 -- Hy`dro*bran"chi*ate, a.

HYDROBROMATE
Hy`dro*bro"mate, n. (Chem.)

Defn: Same as Hydrobromide.

HYDROBROMIC
Hy`dro*bro"mic, a. Etym: [Hydro-, 2 + bromic.] (Chem.)

Defn: Composed of hydrogen and bromine; as, hydrobromic acid.
Hydrobromic acid (Chem.), a colorless, pungent, corrosive gas, HBr,
usually collected as a solution in water. It resembles hydrochloric
acid, but is weaker and less stable. Called also hydrogen bromide.

HYDROBROMIDE
Hy`dro*bro"mide, n. (Chem.)

Defn: A compound of hydrobromic acid with a base; -- distinguished
from a bromide, in which only the bromine unites with the base.

HYDROCARBON
Hy`dro*car"bon, n. Etym: [Hydro-, 2 + carbon.] (Chem.)

Defn: A compound containing only hydrogen and carbon, as methane,
benzene, etc.; also, by extension, any of their derivatives.
Hydrocarbon burner, furnace, stove, a burner, furnace, or stove with
which liquid fuel, as petroleum, is used.

HYDROCARBONACEOUS
Hy`dro*car`bo*na"ceous, a.

Defn: Of the nature, or containing, hydrocarbons.

HYDROCARBONATE
Hy`dro*car"bon*ate, n.
(a) (Old Chem.) A hydrocarbon. [Obs.]
(b) (Chem.) A hydrous carbonate, as malachite.

HYDROCARBOSTYRIL
Hy`dro*car`bo*sty"ril, n. Etym: [Hydro-, 2 + carbostyril.] (Chem.)

Defn: A white, crystalline, nitrogenous hydrocarbon, C9H9NO, obtained
from certain derivatives of cinnamic acid and closely related to
quinoline and carbostyril.

HYDROCARBURET
Hy`dro*car"bu*ret, n. Etym: [Hydro-, 2 + carburet.] (Chem.)

Defn: Carbureted hydrogen; also, a hydrocarbon. [Obs.]

HYDROCAULUS
Hy`dro*cau"lus, n.; pl. Hydrocauli. Etym: [NL., fr. Gr. "y`dwr water
+ (Zoöl.)

Defn: The hollow stem of a hydroid, either simple or branched. See
Illust. of Gymnoblastea and Hydroidea.

HYDROCELE
Hy`dro*cele, n. Etym: [L., fr. Gr. "y`dwr water + (Med.)

Defn: A collection of serous fluid in the areolar texture of the
scrotum or in the coverings, especially in the serous sac, investing
the testicle or the spermatic cord; dropsy of the testicle.

HYDROCEPHALIC
Hy`dro*ce*phal"ic, a.

Defn: Relating to, or connected with, hydrocephalus, or dropsy of the
brain.

HYDROCEPHALOID
Hy`dro*ceph"a*loid, a. Etym: [Hydrocephalus + -oid.] (Med.)

Defn: Resembling hydrocephalus. Hydrocephaloid affection (Med.), the
group of symptoms which follow exhausting diarrhea in young children,
resembling those of acute hydrocephalus, or tubercular meningitis.

HYDROCEPHALOUS
Hy`dro*ceph"a*lous, a.

Defn: Having hydrocephalus. "Hydrocephalous offspring." G. Eliot.

HYDROCEPHALUS
Hy`dro*ceph"a*lus, n. Etym: [NL., fr. Gr. "y`dwr water + (Med.)

Defn: An accumulation of liquid within the cavity of the cranium,
especially within the ventricles of the brain; dropsy of the brain.
It is due usually to tubercular meningitis. When it occurs in
infancy, it often enlarges the head enormously.

HYDROCHLORATE
Hy`dro*chlo"rate, n. (Chem.)

Defn: Same as Hydrochloride.

HYDROCHLORIC
Hy`dro*chlo"ric, a. Etym: [Hydro-, 2 + hloric: cf. F.
hydrochlorique.] (Chem.)

Defn: Pertaining to, or compounded of, chlorine and hydrogen gas; as,
hydrochloric acid; chlorhydric. Hydrochloric acid (Chem.), hydrogen
chloride; a colorless, corrosive gas, HCl, of pungent, suffocating
odor. It is made in great quantities in the soda process, by the
action of sulphuric acid on common salt. It has a great affinity for
water, and the commercial article is a strong solution of the gas in
water. It is a typical acid, and is an indispensable agent in
commercial and general chemical work. Called also muriatic, and
chlorhydric, acid.

HYDROCHLORIDE
Hy`dro*chlo"ride, n. (Chem.)

Defn: A compound of hydrochloric acid with a base; -- distinguished
from a chloride, where only chlorine unites with the base.

HYDROCORALLIA
Hy`dro*co*ral"li*a, n. pl. Etym: [NL. See Hydra, and Coral.] (Zoöl.)

Defn: A division of Hydroidea, including those genera that secrete a
stony coral, as Millepora and Stylaster. Two forms of zooids in life
project from small pores in the coral and resemble those of other
hydroids. See Millepora.

HYDROCYANATE
Hy`dro*cy"a*nate, n. (Chem.)

Defn: See Hydrocyanide.

HYDROCYANIC
Hy`dro*cy*an"ic, a. Etym: [Hydro-, 2 + anic: cf. F. hydrocyanique.]
(Chem.)

Defn: Pertaining to, or derived from the combination of, hydrogen and
cyanogen. Hydrocyanic acid (Chem.), a colorless, mobile, volatile
liquid, HCN, having a characteristic peach-blossom odor. It is one of
the most deadly poisons. It is made by the action of sulphuric acid
on yellow prussiate of potassium (potassium ferrocyanide), and
chemically resembles hydrochloric and hydrobromic acids. Called also
prussic acid, hydrogen cyanide, etc.

HYDROCYANIDE
Hy`dro*cy"a*nide, n. (Chem.)

Defn: A compound of hydrocyanic acid with a base; -- distinguished
from a cyanide, in which only the cyanogen so combines.

HYDRODYNAMIC; HYDRODYNAMICAL
Hy`dro*dy*nam"ic, Hy`dro*dy*nam"ic*al, a. Etym: [Hydro-, 1 + dynamic,
-ical: cf. F. hydrodynamique.]

Defn: Pertaining to, or derived from, the dynamical action of water
of a liquid; of or pertaining to water power. Hydrodynamic friction,
friction produced by the viscosity of a liquid in motion.

HYDRODYNAMICS
Hy`dro*dy*nam"ics, n. Etym: [Hydro-, 1 + dynamics: cf. F.
hydrodynamique.]

Defn: That branch of the science of mechanics which relates to
fluids, or, as usually limited, which treats of the laws of motion
and action of nonelastic fluids, whether as investigated
mathematically, or by observation and experiment; the principles of
dynamics, as applied to water and other fluids.

Note: The word is sometimes used as a general term, including both
hydrostatics and hydraulics, together with pneumatics and acoustics.
See Hydraulics.

HYDRODYNAMOMETER
Hy`dro*dy`na*mom"e*ter, n. Etym: [Hydro-, 1 + dynamometer.]

Defn: An instrument to measure the velocity of a liquid current by
the force of its impact.

HYDRO-ELECTRIC
Hy`dro-e*lec"tric, a. Etym: [Hydro-, 1 + electric.]

Defn: Pertaining to, employed in, or produced by, the evolution of
electricity by means of a battery in which water or steam is used.
Hydro-electric machine (Physics), an apparatus invented by Sir
William Armstrong of England for generating electricity by the escape
of high-pressure steam from a series of jets connected with a strong
boiler, in which the steam is produced.

HYDRO-EXTRACTOR
Hy`dro-ex*tract"or, n. Etym: [Hydro-, 1 + extractor.]

Defn: An apparatus for drying anything, as yarn, cloth, sugar, etc.,
by centrifugal force; a centrifugal.

HYDROFERRICYANIC
Hy`dro*fer`ri*cy*an"ic, n. Etym: [Hydro-, 2 + ferricyanic.] (Chem.)

Defn: Pertaining to, or containing, or obtained from, hydrogen,
ferric iron, and cyanogen; as, hydroferricyanic acid. See
Ferricyanic.

HYDROFERROCYANIC
Hy`dro*fer`ro*cy*an"ic, a. Etym: [Hydro-, 2 + ferrocyanic.] (Chem.)

Defn: Pertaining to, or containing, or obtained from, hydrogen,
ferrous iron, and cyanogen; as, hydroferrocyanic acid. See
Ferrocyanic.

HYDROFLUATE
Hy`dro*flu"ate, n. (Chem.)

Defn: A supposed compound of hydrofluoris acid and a base; a
fluoride. [Archaic]

HYDROFLUORIC
Hy`dro*flu*or"ic, a. Etym: [Hydro-, 2 + fluoric.] (Chem.)

Defn: Pertaining to, or containing, hydrogen and fluorine;
fluohydric; as, hydrofluoric acid. Hydrofluoric acid (Chem.), a
colorless, mobile, volatile liquid, HF, very corrosive in its action,
and having a strong, pungent, suffocating odor. It is produced by the
action of sulphuric acid on fluorite, and is usually collected as a
solution in water. It attacks all silicates, as glass or porcelain,
is the agent employed in etching glass, and is preserved only in
vessels of platinum, lead, caoutchouc, or gutta-percha.

HYDROFLUOSILICATE
Hy`dro*flu`o*sil"i*cate, n. (Chem.)

Defn: A salt of hydrofluosilic acid; a silicofluoride. See
Silicofluoride.

HYDROFLUOSILICIC
Hy`dro*flu`o*si*lic"ic, a. Etym: [Hydro-, 2 + fluorine + silicic.]
(Chem.)

Defn: Pertaining to, or denoting, a compound consisting of a double
fluoride of hydrogen and silicon; silicofluoric. See Silicofluoric.

HYDROGALVANIC
Hy`dro*gal*van"ic, a. Etym: [Hydro-, 1 + galvanic.]

Defn: Pertaining to, produced by, or consisting of, electricity
evolved by the action or use of fluids; as, hydrogalvanic currents.
[R.]

HYDROGEN
Hy"dro*gen, n. Etym: [Hydro-, 1 + -gen: cf. F. hydrogène. So called
because water is generated by its combustion. See Hydra.] (Chem.)

Defn: A gaseous element, colorless, tasteless, and odorless, the
lightest known substance, being fourteen and a half times lighter
than air (hence its use in filling balloons), and over eleven
thousand times lighter than water. It is very abundant, being an
ingredient of water and of many other substances, especially those of
animal or vegetable origin. It may by produced in many ways, but is
chiefly obtained by the action of acids (as sulphuric) on metals, as
zinc, iron, etc. It is very inflammable, and is an ingredient of coal
gas and water gas. It is standard of chemical equivalents or
combining weights, and also of valence, being the typical monad.
Symbol H. Atomic weight 1.

Note: Although a gas, hydrogen is chemically similar to the metals in
its nature, having the properties of a weak base. It is, in all
acids, the base which is replaced by metals and basic radicals to
form salts. Like all other gases, it is condensed by great cold and
pressure to a liquid which freezes and solidifies by its own
evaporation. It is absorbed in large quantities by certain metals
(esp. palladium), forming alloy-like compounds; hence, in view of
quasi-metallic nature, it is sometimes called hydrogenium. It is the
typical reducing agent, as opposed to oxidizers, as oxygen, chlorine,
etc. Bicarbureted hydrogen, an old name for ethylene.
 -- Carbureted hydrogen gas. See under Carbureted.
 -- Hydrogen dioxide, a thick, colorless liquid, H2O2, resembling
water, but having a bitter, sour taste, produced by the action of
acids on barium peroxide. It decomposes into water and oxygen, and is
manufactured in large quantities for an oxidizing and bleaching
agent. Called also oxygenated water.
 -- Hydrogen oxide, a chemical name for water, H -- Hydrogen
sulphide, a colorless inflammable gas, H2S, having the characteristic
odor of bad eggs, and found in many mineral springs. It is produced
by the action of acids on metallic sulphides, and is an important
chemical reagent. Called also sulphureted hydrogen.

HYDROGENATE
Hy"dro*gen*ate, v. t. [imp. & p. p. Hydrogenated; p. pr. & vb. n.
Hydrogenating.] (Chem.)

Defn: To hydrogenize.

HYDROGENATION
Hy`dro*gen*a"tion, n. (Chem.)

Defn: The act of combining with hydrogen, or the state of being so
combined.

HYDROGENIDE
Hy"dro*gen*ide, n. (Chem.)

Defn: A binary compound containing hydrogen; a hydride. [R.] See
Hydride.

HYDROGENIUM
Hy`dro*ge"ni*um, n. Etym: [NL. See Hydrogen.] (Chem.)

Defn: Hydrogen; -- called also in view of its supposed metallic
nature. Graham.

HYDROGENIZE
Hy"dro*gen*ize, v. t. [imp. & p. p. Hydrogenized; p. pr. & vb. n.
Hydrogenizing.] (Chem.)

Defn: To combine with hydrogen; to treat with, or subject to the
action of, hydrogen; to reduce; -- contrasted with oxidize.

HYDROGENOUS
Hy*drog"e*nous, a.

Defn: Of or pertaining to hydrogen; containing hydrogen.

HYDROGNOSY
Hy*drog"no*sy, n. Etym: [Hydro-, 1 + Gr.

Defn: A treatise upon, or a history and description of, the water of
the earth.

HYDROGODE
Hy"drog*ode, n. Etym: [Hydrogen + Gr. (Elec.)

Defn: The negative pole or cathode. [R.]

HYDROGRAPHER
Hy*drog"ra*pher, n.

Defn: One skilled in the hydrography; one who surveys, or draws maps
or charts of, the sea, lakes, or other waters, with the adjacent
shores; one who describes the sea or other waters. Boyle.

HYDROGRAPHIC; HYDROGRAPHICAL
Hy`dro*graph"ic, Hy`dro*graph"ic*al, a.

Defn: Of or relating to hydrography.

HYDROGRAPHY
Hy*drog"ra*phy, n. Etym: [Hydro-, 1 + -graphy: cf. F. hydrographie.]

1. The art of measuring and describing the sea, lakes, rivers, and
other waters, with their phenomena.

2. That branch of surveying which embraces the determination of the
contour of the bottom of a harbor or other sheet of water, the depth
of soundings, the position of channels and shoals, with the
construction of charts exhibiting these particulars.

HYDROGURET
Hy*drog"u*ret, n. Etym: [From Hydrogen.] (Chem.)

Defn: A hydride. [Obs.]

HYDROID
Hy"droid, a. Etym: [Hydra + -oid.] (Zoöl.)

Defn: Related to, or resembling, the hydra; of or pertaining to the
Hydroidea.
 -- n.

Defn: One of the Hydroideas.

HYDROIDEA
Hy*droi"de*a, n. pl. Etym: [NL. See Hydra, and -oid.] (Zoöl.)

Defn: An extensive order of Hydrozoa or Acalephæ. [Written also
Hydroida.]

Note: This order includes the hydras and the free-swimming
hydromedusæ, together with a great variety of marine attached
hydroids, many of which grow up into large, elegantly branched forms,
consisting of a vast number of zooids (hydranths, gonophores, etc.),
united by hollow stems. All the zooids of a colony are produced from
one primary zooid, by successive buddings. The Siphonophora have also
been included in this order by some writers. See Gymnoblastea,
Hydromedusa, Gonosome, Gonotheca.

HYDROKINETIC
Hy`dro*ki*net"ic, a. Etym: [Hydro-, 1 + kinetic.]

Defn: Of or pertaining to the motions of fluids, or the forces which
produce or affect such motions; -- opposed to hydrostatic. Sir W.
Thomson.

HYDROLOGICAL
Hy`dro*log"ic*al, a.

Defn: Of or pertaining to hydrology.

HYDROLOGIST
Hy*drol"o*gist, n.

Defn: One skilled in hydrology.

HYDROLOGY
Hy*drol"o*gy, n. Etym: [Hydro-, 1 + -logy: cf. F. hydrologie.]

Defn: The science of water, its properties, phenomena, and
distribution over the earth's surface.

HYDROLYSIS
Hy*drol"y*sis, n.  [Hydro-, 1 + -lysis.] (Chem.)

Defn: A chemical process involving the addition of the elements of
water.

HYDROLYTIC
Hy`dro*lyt"ic, a. Etym: [Hydro-, 1 + Gr. (Chem.)

Defn: Tending to remove or separate water; eliminating water.
Hydrolytic agents, such as sulphuric acid or caustic alkali. Encyc.
Brit.
Hydrolitic ferment (Physiol. Chem.), a ferment, enzyme, or chemical
ferment, which acts only in the presence of water, and which causes
the substance acted upon to take up a molecule of water. Thus,
diastase of malt, ptyalin of saliva, and boiling dilute sulphuric
acid all convert starch by hydration into dextrin and sugar. Nearly
all of the digestive ferments are hydrolytic in their action.

HYDROMAGNESITE
Hy`dro*mag"ne*site, n. Etym: [Hydro-, 1 + magnesite.] (Min.)

Defn: A hydrous carbonate of magnesia occurring in white, early,
amorphous masses.

HYDROMANCY
Hy"dro*man`cy, n. Etym: [Hydro-, 1 + -mancy: cf. F. hydromancie.]

Defn: Divination by means of water, -- practiced by the ancients.

HYDROMANTIC
Hy`dro*man"tic, a. Etym: [Cf. F. hydromantique.]

Defn: Of or pertaining to divination by water.

HYDROMECHANICS
Hy`dro*me*chan"ics, n. Etym: [Hydro-, 1 + mechanics.]

Defn: That branch of physics which treats of the mechanics of
liquids, or of their laws of equilibrium and of motion.

HYDROMEDUSA
Hy`dro*me*du"sa, n.; pl. Hydromedusæ. Etym: [NL. See Hydra, and
Medusa.] (Zoöl.)

Defn: Any medusa or jellyfish which is produced by budding from a
hydroid. They are called also Craspedota, and naked-eyed medusæ.

Note: Such medusæ are the reproductive zooids or gonophores, either
male or female, of the hydroid from which they arise, whether they
become free or remain attached to the hydroid colony. They in turn
produce the eggs from which the hydroids are developed. The name is
also applied to other similar medusæ which are not known to bud from
a hydroid colony, and even to some which are known to develop
directly from the eggs, but which in structure agree essentially with
those produced from hydroids. See Hydroidea, and Gymnoblastea.

HYDROMEL
Hy"dro*mel, n. Etym: [L. hydromel, hydromeli, Gr. hydromel.]

Defn: A liquor consisting of honey diluted in water, and after
fermentation called mead.

HYDROMELLONIC
Hy`dro*mel*lon"ic, a.

Defn: See Cyamellone.

HYDROMETALLURGICAL
Hy`dro*met`al*lur"gic*al, a.

Defn: Of or pertaining to hydrometallurgy; involving the use of
liquid reagents in the treatment or reduction of ores.
 -- Hy`dro*met`al*lur"gic*al*ly, adv.

HYDROMETALLURGY
Hy`dro*met"al*lur`gy, n. Etym: [Hydro-, 1 + metallurgy.]

Defn: The art or process of assaying or reducing ores by means of
liquid reagents.

HYDROMETEOR
Hy`dro*me"te*or, n. Etym: [Hydro-, 1 + meteor.]

Defn: A meteor or atmospheric phenomenon dependent upon the vapor of
water; -- in the pl., a general term for the whole aqueous phenomena
of the atmosphere, as rain, snow, hail, etc. Nichol.

HYDROMETEOROLOGICAL
Hy`dro*me`te*or`o*log"ic*al, a.

Defn: Of or pertaining to hydrometeorology, or to rain, clouds,
storms, etc.

HYDROMETEOROLOGY
Hy`dro*me`te*or*ol"o*gy, n. Etym: [Hydro-, 1 + meteorology.]

Defn: That branch of meteorology which relates to, or treats of,
water in the atmosphere, or its phenomena, as rain, clouds, snow,
hail, storms, etc.

HYDROMETER
Hy*drom"e*ter, n. Etym: [Hydro-, 1 + -meter: cf. F. hydromètre.]

1. (Physics)

Defn: An instrument for determining the specific gravities of
liquids, and thence the strength spirituous liquors, saline
solutions, etc.

Note: It is usually made of glass with a graduated stem, and
indicates the specific gravity of a liquid by the depth to which it
sinks in it, the zero of the scale marking the depth to which it
sinks in pure water. Extra weights are sometimes used to adapt the
scale to liquids of different densities.

2. An instrument, variously constructed, used for measuring the
velocity or discharge of water, as in rivers, from reservoirs, etc.,
and called by various specific names according to its construction or
use, as tachometer, rheometer, hydrometer, pendulum, etc.; a current
gauge.

HYDROMETRIC; HYDROMETRICAL
Hy`dro*met"ric, Hy`dro*met"ric*al, a. Etym: [Cf. F. hydromètrique.]

1. Of or pertaining to an hydrometer, or to the determination of the
specific gravity of fluids.

2. Of or pertaining to measurement of the velocity, discharge, etc.,
of running water.

3. Made by means of an hydrometer; as, hydrometric observations.
Hydrometric pendulum, a species of hydrometer consisting of a hollow
ball of ivory or metal suspended by a treated from the center of a
graduated quadrant, and held in a stream to measure the velocity of
the water by the inclination given to the thread; a kind of current
gauge.

HYDROMETROGRAPH
Hy`dro*met"ro*graph, n. Etym: [Hydro-, 1 + Gr. graph.]

Defn: An instrument for determining and recording the quantity of
water discharged from a pipe, orifice, etc., in a given time.

HYDROMETRY
Hy*drom"e*try, n. Etym: [Cf. F. hydromètrique.]

1. The art of determining the specific gravity of liquids, and thence
the strength of spirituous liquors, saline solutions, etc.

2. The art or operation of measuring the velocity or discharge of
running water, as in rivers, etc.

HYDROMICA
Hy`dro*mi"ca, n. Etym: [Hydro-, 1 + mica.] (Min.)

Defn: A variety of potash mica containing water. It is less elastic
than ordinary muscovite. Hydromica schist (Min.), a mica schist
characterized by the presence of hydromica. It often has a silky
luster and almost soapy feel.

HYDRONEPHROSIS
Hy`dro*ne*phro"sis, n. Etym: [NL., Gr. "y`dwr water + (Med.)

Defn: An accumulation of urine in the pelvis of the kidney,
occasioned by obstruction in the urinary passages.

HYDROPATH
Hy"dro*path, n. Etym: [Cf. F. hydropathe.]

Defn: A hydropathist.

HYDROPATHIC; HYDROPATHICAL
Hy`dro*path"ic, Hy`dro*path"ic*al, a.

Defn: Of or pertaining to hydropathy.

HYDROPATHIST
Hy*drop"a*thist, n.

Defn: One who practices hydropathy; a water-cure doctor.

HYDROPATHY
Hy*drop"a*thy, n. Etym: [Hydro-, 1 + Gr.

Defn: The water cure; a mode of treating diseases by the copious and
frequent use of pure water, both internally and externally.

HYDROPERITONEUM
Hy`dro*per`i*to*ne"um, n. Etym: [NL. See Hydro-, and Peritoneum.]
(Med.)

Defn: Same as Ascites.

HYDROPHANE
Hy"dro*phane, n. Etym: [Hydro-, 1 + Gr. hydrophane.] (Min.)

Defn: A semitranslucent variety of opal that becomes translucent or
transparent on immersion in water.

HYDROPHANOUS
Hy*droph"a*nous, a. (Min.)

Defn: Made transparent by immersion in water.

HYDROPHID
Hy"dro*phid, n. Etym: [Hydro-, 1 + Gr. (Zoöl.)

Defn: Any sea snake of the genus Hydrophys and allied genera. These
snakes are venomous, live upon fishes, and have a flattened tail for
swimming.

HYDROPHLORONE
Hy`dro*phlo"rone, n. Etym: [Hydro-, 2 + phlorone.] (Chem.)

Defn: A white, crystalline benzene derivative, C8H10O2, obtained by
the reduction of phlorone.

HYDROPHOBIA
Hy`dro*pho"bi*a, n. Etym: [L., fr. Gr. "y`dwr water + hydrophobie.]
(Med.)
(a) An abnormal dread of water, said to be a symptom of canine
madness; hence:
(b) The disease caused by a bite form, or inoculation with the saliva
of, a rabid creature, of which the chief symptoms are, a sense of
dryness and construction in the throat, causing difficulty in
deglutition, and a marked heightening of reflex excitability,
producing convulsions whenever the patient attempts to swallow, or is
disturbed in any way, as by the sight or sound of water; rabies;
canine madness. [Written also hydrophoby.]

HYDROPHOBIC
Hy`dro*phob"ic, a. Etym: [L. hydrophobicus, Gr. hydrophobique.]

Defn: Of or pertaining to hydrophobia; producing or caused by rabies;
as, hydrophobic symptoms; the hydrophobic poison.

HYDROPHOBY
Hy"dro*pho`by, n.

Defn: See Hydrophobia.

HYDROPHORA
Hy*droph"o*ra, n. pl. Etym: [NL., fr. E. hydra + Gr. (Zoöl.)

Defn: The Hydroidea.

HYDROPHORE
Hy"dro*phore, n. Etym: [Gr. "y`dwr water +

Defn: An instrument used for the purpose of obtaining specimens of
water from any desired depth, as in a river, a lake, or the ocean.

HYDROPHYLLIUM
Hy`dro*phyl"li*um, n.; pl. L. Hydrophyllia, E. Hydrophylliums. Etym:
[NL., fr. Gr. "y`dwr water + (Zoöl.)

Defn: One of the flat, leaflike, protective zooids, covering other
zooids of certain Siphonophora.

HYDROPHYTE
Hy"dro*phyte, n. Etym: [Gr. hydrophyte.]

Defn: An aquatic plant; an alga.

HYDROPHYTOLOGY
Hy*droph`y*tol"o*gy, n. Etym: [Hydro- + phyte + -logy.]

Defn: The branch of botany which treats of water plants.

HYDROPIC; HYDROPICAL
Hy*drop"ic, Hy*drop"ic*al, a. Etym: [L. hydropicus, Gr. hydropique.
See Dropsy.]

Defn: Dropsical, or resembling dropsy.
Every lust is a kind of hydropic distemper, and the more we drink the
more we shall thirst. Tillotson.

HYDROPICALLY
Hy*drop"ic*al*ly, adv.

Defn: In a hydropical manner.

HYDROPIPER
Hy"dro*pi`per, n. Etym: [NL., fr. Gr. "y`dwr water + L. piper a
pepper.] (Bot.)

Defn: A species (Polygonum Hydropiper) of knotweed with acrid
foliage; water pepper; smartweed.

HYDROPLANE
Hy"dro*plane, n. [Pref. hydro-, 1 + plane.]

1. A plane, or any of a number of planes, projecting from the hull of
a submarine boat, which by being elevated or depressed cause the
boat, when going ahead, to sink or rise, after the manner of an
aëroplane.

2.  A projecting plane or fin on a gliding boat to lift the moving
boat on top of the water; also, a gliding boat.

HYDROPLANE
Hy"dro*plane, v. i.

Defn: Of a boat, to plane (see Plane, below).

HYDROPNEUMATIC
Hy`dro*pneu*mat"ic, a. Etym: [Hydro-, 1 + pneumatic: cf. F.
hydropneumatique.]

Defn: Pertaining to, or depending upon, both liquid and gaseous
substances; as, hydropneumatic apparatus for collecting gases over
water or other liquids.

HYDROPNEUMATIC GUN CARRIAGE
Hy`dro*pneu*mat"ic gun carriage. (Ordnance)

Defn: A disappearing gun carriage in which the recoil is checked by
cylinders containing liquid and air, the air when compressed
furnishing the power for restoring the gun to the firing position. It
is used with some English and European heavy guns.

HYDROPSY
Hy"drop`sy, n.

Defn: Same as Dropsy.

HYDROPULT
Hy"dro*pult, n. Etym: [Hydro-, 1 + Gr.

Defn: A machine for throwing water by hand power, as a garden engine,
a fire extinguisher, etc.

HYDROQUINONE
Hy`dro*qui"none, n. Etym: [Hydro-, 2 + quinone.] (Chem.)

Defn: A white crystalline substance, C6H4(OH)2, obtained by the
reduction of quinone. It is a diacid phenol, resembling, and
metameric with, pyrocatechin and resorcin. Called also dihydroxy
benzene.

HYDRORHIZA
Hy`dro*rhi"za, n.; pl. L. Hydrorhizæ, E. Hydrorhizas. Etym: [NL., fr.
E. hydra + Gr. (Zoöl.)

Defn: The rootstock or decumbent stem by which a hydroid is attached
to other objects. See Illust. under Hydroidea.

HYDROSALT
Hy"dro*salt`, n. Etym: [Hydro-, 1 + salt.] (Chem.)
(a) A salt supposed to be formed by a hydracid and a base.
(b) An acid salt. [R.]
(c) A hydrous salt; a salt combined with water of hydration or
crystallization.

HYDROSCOPE
Hy"dro*scope, n. Etym: [Hydro-, 1 + -scope.]

1. An instrument designed to mark the presence of water, especially
in air. Weale.

2. A kind of water clock, used anciently for measuring time, the
water tricking from an orifice at the end of a graduated tube.

HYDROSOME; HYDROSOMA
Hy"dro*some, Hy`dro*so"ma, n. Etym: [NL. hydrosoma. See Hydra, and -
some body.] (Zoöl.)

Defn: All the zooids of a hydroid colony collectively, including the
nutritive and reproductive zooids, and often other kinds.

HYDROSORBIC
Hy`dro*sor"bic, a. Etym: [Hydro-, 2 + sorbic.] (Chem.)

Defn: Pertaining to, or designating, an acid obtained from sorbic
acid when this takes up hydrogen; as, hydrosorbic acid.

HYDROSPHERE
Hy"dro*sphere, n. [Pref. hydro-, 1 + sphere.]

1. (Meteor.)

Defn: The aqueous vapor of the entire atmosphere.

2.  (Phys. Geog.) The aqueous envelope of the earth, including the
ocean, all lakes, streams, and underground waters, and the aqueous
vapor in the atmosphere.

HYDROSTAT
Hy"dro*stat, n.

Defn: A contrivance or apparatus to prevent the explosion of steam
boilers.

HYDROSTATIC; HYDROSTATICAL
Hy`dro*stat"ic, Hy`dro*stat"ic*al, a. Etym: [Hydro-, 1 + Gr.
hydrostatique. See Static.]

Defn: Of or relating to hydrostatics; pertaining to, or in accordance
with, the principles of the equilibrium of fluids.
The first discovery made in hydrostatics since the time of Archimedes
is due to Stevinus. Hallam.
Hydrostatic balance, a balance for weighing substances in water, for
the purpose of ascertaining their specific gravities.
 -- Hydrostatic bed, a water bed.
 -- Hydrostatic bellows, an apparatus consisting of a water-tight
bellowslike case with a long, upright tube, into which water may be
poured to illustrate the hydrostatic paradox.
 -- Hydrostatic paradox, the proposition in hydrostatics that any
quantity of water, however small, may be made to counterbalance any
weight, however great; or the law of the equality of pressure of
fluids in all directions.
 -- Hydrostatic press, a machine in which great force, with slow
motion, is communicated to a large plunger by means of water forced
into the cylinder in which it moves, by a forcing pump of small
diameter, to which the power is applied, the principle involved being
the same as in the hydrostatic bellows. Also called hydraulic press,
and Bramah press. In the illustration, a is a pump with a small
plunger b, which forces the water into the cylinder c, thus driving
upward the large plunder d, which performs the reduced work, such as
compressing cotton bales, etc.

HYDROSTATICALLY
Hy`dro*stat"ic*al*ly, adv.

Defn: According to hydrostatics, or to hydrostatic principles.
Bentley.

HYDROSTATICIAN
Hy`dro*sta*ti"cian, n.

Defn: One who is versed or skilled in hydrostatics. [R.]

HYDROSTATICS
Hy`dro*stat"ics, n. Etym: [Cf. F. hydrostatique.] (Physics)

Defn: The branch of science which relates to the pressure and
equilibrium of nonelastic fluids, as water, mercury, etc.; the
principles of statics applied to water and other liquids.

HYDROSULPHATE
Hy`dro*sul"phate, n. (Chem.)

Defn: Same as Hydrosulphurent.

HYDROSULPHIDE
Hy`dro*sul"phide, n. (Chem.)

Defn: One of a series of compounds, derived from hydrogen sulphide by
the replacement of half its hydrogen by a base or basic radical; as,
potassium hydrosulphide, KSH. The hydrosulphides are analogous to the
hydrates and include the mercaptans.

HYDROSULPHITE
Hy`dro*sul"phite, n. (Chem.)

Defn: A saline compound of hydrosulphurous acid and a base. [R.]

HYDROSULPHURET
Hy`dro*sul"phu*ret, n. (Chem.)

Defn: A hydrosulphide. [Archaic]

HYDROSULPHURETED
Hy`dro*sul"phu*ret`ed, a. (Chem.)

Defn: Combined with hydrogen sulphide.

HYDROSULPHURIC
Hy`dro*sul*phu"ric, a. Etym: [Hydro-, 2 + sulphuric.] (Chem.)

Defn: Pertaining to, or derived from, hydrogen and sulphur; as,
hydrosulphuricacid, a designation applied to the solution of hydrogen
sulphide in water.

HYDROSULPHUROUS
Hy`dro*sul"phur*ous, a. (Chem.)

Defn: Pertaining to, or designating, an acid obtained by the
reduction of sulphurous acid. See Hyposulphurous acid, under
Hyposulphurous.

HYDROTELLURATE
Hy`dro*tel"lu*rate, n. (Chem.)

Defn: A salt formed by the union of hydrotelluric acid and the base.

HYDROTELLURIC
Hy`dro*tel*lu"ric, a. Etym: [Hydro-, 2 + telluric.] (Chem.)

Defn: Formed by hydrogen and tellurium; as, hydrotelluric acid, or
hydrogen telluride.

HYDROTHECA
Hy`dro*the"ca, n.; pl. L. Hydrothecæ, E. Hydrothecas. Etym: [NL., fr.
E. hydra + Gr. (Zoöl.)

Defn: One of the calicles which, in some Hydroidea (Thecaphora),
protect the hydrants. See Illust. of Hydroidea, and Campanularian.

HYDROTHERAPEUTICS
Hy`dro*ther`a*peu"tics, n. [Hydro-, 1 + therapeutics.] (Med.)

Defn: A system of treating disease by baths and mineral waters.

HYDROTHERAPY
Hy`dro*ther"a*py, n. Etym: [Hydro-, 1 + therapy.] (Med.)

Defn: See Hydropathy.

HYDROTHERMAL
Hy`dro*ther"mal, a. Etym: [Hydro-, 1 + thermal.]

Defn: Of or pertaining to hot water; -- used esp. with reference to
the action of heated waters in dissolving, redepositing, and
otherwise producing mineral changes within the crust of the globe.

HYDROTHORAX
Hy`dro*tho"rax, n. Etym: [Hydro-, 1 + thorax.] (Med.)

Defn: An accumulation of serous fluid in the cavity of the chest.

HYDROTIC
Hy*drot"ic, a. Etym: [Gr. "y`dwr water: cf. Gr. hydrotique.]

Defn: Causing a discharge of water or phlegm.
 -- n. (Med.)

Defn: A hydrotic medicine.

HYDROTICAL
Hy*drot"ic*al, a.

Defn: Hydrotic.

HYDROTROPE
Hy"dro*trope, n. Etym: [Hydro-, 1 + Gr.

Defn: A device for raising water by the direct action of steam; a
pulsometer.

HYDROTROPIC
Hy`dro*trop"ic, a. Etym: [See Hydrotrope.] (Bot.)

Defn: Turning or bending towards moisture, as roots.

HYDROTROPISM
Hy*drot"ro*pism, n. (Bot.)

Defn: A tendency towards moisture.

HYDROUS
Hy"drous, a. Etym: [Gr. "y`dwr water.]

1. Containing water; watery.

2. (Chem.)

Defn: Containing water of hydration or crystallization.

HYDROXANTHANE
Hy`dro*xan"thane, n. (Chem.)

Defn: A persulphocyanate. [Obs.]

HYDROXANTHIC
Hy`dro*xan"thic, a. Etym: [Hydro-, 2 + xanthic.] (Chem.)

Defn: Persulphocyanic.

HYDROXIDE
Hy*drox"ide, n. Etym: [Hydro-, 2 + oxide.] (Chem.)

Defn: A hydrate; a substance containing hydrogen and oxygen, made by
combining water with an oxide, and yielding water by elimination. The
hydroxides are regarded as compounds of hydroxyl, united usually with
basic element or radical; as, calcium hydroxide ethyl hydroxide.

HYDROXY-
Hy*drox"y-. (Chem.)

Defn: A combining form, also used adjectively, indicating hydroxyl as
an ingredient. Hydroxy acid (Chem.), an organic acid, having (besides
the hydroxyl group of the carboxyl radical) an alcoholic hydroxyl
group, and thus having the qualities of an alcohol in addition to its
acid properties; as, lactic and tartaric acids are hydroxy acids.

HYDROXYL
Hy*drox"yl, n. Etym: [Hydro-, 2 + oxygen + -yl.] (Chem.)

Defn: A compound radical, or unsaturated group, HO, consisting of one
atom of hydrogen and one of oxygen. It is a characteristic part of
the hydrates, the alcohols, the oxygen acids, etc.

HYDROXYLAMINE
Hy*drox`yl*am"ine, n. Etym: [Hydroxyl + amine.] (Chem.)

Defn: A nitrogenous, organic base, NH2.OH, resembling ammonia, and
produced by a modified reduction of nitric acid. It is usually
obtained as a volatile, unstable solution in water. It acts as a
strong reducing agent.

HYDROZOA
Hy`dro*zo"a, n. pl. Etym: [NL., fr. E. hydra + Gr. (Zoöl.)

Defn: The Acalephæ; one of the classes of coelenterates, including
the Hydroidea, Discophora, and Siphonophora.

HYDROZOAL
Hy`dro*zo"al, a. (Zoöl.)

Defn: Of or pertaining to the Hydrozoa.

HYDROZOON; HYDROZOOEN
Hy`dro*zo"ön, n.; pl. L. Hydrozoa, E. Hydrozoöns. Etym: [NL.] (Zoöl.)

Defn: One of the Hydrozoa.

HYDRURET
Hy"dru*ret, n. Etym: [Hydro-, 2] (Chem.)

Defn: A binary compound of hydrogen; a hydride. [Obs.]

HYDRUS
Hy"drus, n. Etym: [L., a water serpent; also, a certain
constellation, Gr. "y`dros.] (Astron.)

Defn: A constellation of the southern hemisphere, near the south
pole.

HYE
Hye, n. & v.

Defn: See Hie. [Obs.] Chaucer.

HYEMAL
Hy*e"mal, a. Etym: [L. hyemalis, or better hiemalis, fr. hyems,
hiems, winter: cf. F. hyémal.]

Defn: Belonging to winter; done in winter. Sir T. Browne.

HYEMATE
Hy"e*mate, v. i. Etym: [L. hiemare, hiematum. See Hyemal.]

Defn: To pass the winter. [Obs. & R.]

HYEMATION
Hy`e*ma"tion, n. Etym: [L. hiematio.]

1. The passing of a winter in a particular place; a wintering.

2. The act of affording shelter in winter. [Obs.]

HYEN
Hy"en, n. Etym: [F. hyène.]

Defn: A hyena. [Obs.] Shak.

HYENA
Hy*e"na, n.; pl. Hyenas. Etym: [L. hyaena, Gr. hyène. See Sow female
hog.] (Zoöl.)

Defn: Any carnivorous mammal of the family Hyænidæ, of which three
living species are known. They are large and strong, but cowardly.
They feed chiefly on carrion, and are nocturnal in their habits.
[Written also hyæna.]

Note: The striped hyena (Hyæna striata) inhabits Southern Asia and a
large part of Africa. The brown hyena (H. brunnea), and the spotted
hyena (Crocuta maculata), are found in Southern Africa. The extinct
cave hyena (H. spelæa) inhabited England and France. Cave hyena. See
under Cave.
 -- Hyena dog (Zoöl.), a South African canine animal (Lycaon
venaticus), which hunts in packs, chiefly at night. It is smaller
than the common wolf, with very large, erect ears, and a bushy tail.
Its color is reddish or yellowish brown, blotched with black and
white. Called also hunting dog.

HYETAL
Hy"e*tal, a. Etym: [Gr.

Defn: Of or pertaining to rain; descriptive of the distribution of
rain, or of rainy regions.

HYETOGRAPH
Hy"e*to*graph, n. Etym: [Gr. -graph.]

Defn: A chart or graphic representation of the average distribution
of rain over the surface of the earth.

HYETOGRAPHIC
Hy`e*to*graph"ic, a.

Defn: Of or pertaining to to hyetography.

HYETOGRAPHY
Hy`e*tog"ra*phy, n.

Defn: The branch of physical science which treats of the geographical
distribution of rain.

HYETOLOGY
Hy`e*tol"o*gy, n. [Gr.  + rain -logy.]

Defn: The science which treats of the precipitation of rain, snow,
etc. -- Hy`e*to*log"ic*al, a.

HYGEIA
Hy*ge"ia, n. Etym: [L. Hygea, Hygia, fr. Gr. (Classic Myth.)

Defn: The goddess of health, daughter of Esculapius.

HYGEIAN
Hy*ge"ian, a.

Defn: Relating to Hygeia, the goddess of health; of or pertaining to
health, or its preservation.

HYGEIST
Hy"ge*ist, n.

Defn: One skilled in hygiena; a hygienist.

HYGIEIST
Hy"gie*ist, n.

Defn: A hygienist.

HYGIENE
Hy"gi*ene, n. Etym: [F. hygiène. See Hygeia.]

Defn: That department of sanitary science which treats of the
preservation of health, esp. of households and communities; a system
of principles or rules designated for the promotion of health.

HYGIENIC
Hy`gi*en"ic, a. Etym: [Cf. F. hygiénique.]

Defn: Of or pertaining to health or hygiene; sanitary.

HYGIENICS
Hy`gi*en"ics, n.

Defn: The science of health; hygiene.

HYGIENISM
Hy"gi*en*ism, n.

Defn: Hygiene.

HYGIENIST
Hy"gi*en*ist, n.

Defn: One versed in hygiene.

HYGIOLOGY
Hy`gi*ol"o*gy, n. Etym: [Gr. -logy.]

Defn: A treatise on, or the science of, the preservation of health.
[R.]

HYGRINE
Hy"grine, n. Etym: [From Gr. (Chem.)

Defn: An alkaloid associated with cocaine in coca leaves
(Erythroxylon coca), and extracted as a thick, yellow oil, having a
pungent taste and odor.

HYGRODEIK
Hy"gro*deik, n. Etym: [Gr. (Physics)

Defn: A form of hygrometer having wet and dry bulb thermometers, with
an adjustable index showing directly the percentage of moisture in
the air, etc.

HYGROGRAPH
Hy"gro*graph, n. Etym: [Gr. -graph.] (Physics)

Defn: An instrument for recording automatically the variations of the
humidity of the atmosphere.

HYGROLOGY
Hy*grol"o*gy, n. Etym: [Gr. -logy: cf. F. hygrologie.] (Med.)

Defn: The science which treats of the fluids of the body.

HYGROMETER
Hy*grom"e*ter, n. Etym: [Gr. -meter: cf. F. hygromètre.] (Physics)

Defn: An instrument for measuring the degree of moisture of the
atmosphere. Daniell's hygrometer, a form of hygrometer consisting of
a bent glass tube terminating in two bulbs, the one covered with
muslin, the other of black glass, and containing ether and a
thermometer. Ether being poured on the muslin, the black ball, cooled
by the evaporation of the ether within, is soon covered with dew; at
this moment, the inclosed thermometer gives the dew-point, and this,
compared with the reading of one in the air, determines the humidity.

HYGROMETRIC; HYGROMETRICAL
Hy`gro*met"ric, Hy`gro*met"ric*al, a. Etym: [Cf. F. hygrométrique.]

1. Of or pertaining to hygrometry; made with, or according to, the
hygrometer; as, hygrometric observations.

2. Readily absorbing and retaining moisture; as, hygrometric
substances, like potash.

HYGROMETRY
Hy*grom"e*try, n. Etym: [Cf. F. hygrométrie.] (Physics)

Defn: That branch of physics which relates to the determination of
the humidity of bodies, particularly of the atmosphere, with the
theory and use of the instruments constructed for this purpose.

HYGROPHANOUS
Hy*groph"a*nous, a. Etym: [Gr.

Defn: Having such a structure as to be diaphanous when moist, and
opaque when dry.

HYGROPHTHALMIC
Hy`groph*thal"mic, a. Etym: [Gr. ophthalmic.] (Anat.)

Defn: Serving to moisten the eye; -- sometimes applied to the
lachrymal ducts.

HYGROPLASM
Hy"gro*plasm, n. Etym: [Gr. (Biol.)

Defn: The fluid portion of the cell protoplasm, in opposition to
stereoplasm, the solid or insoluble portion. The latter is supposed
to be partly nutritive and partly composed of idioplasm.

HYGROSCOPE
Hy"gro*scope, n. Etym: [Gr. -scope: cf. F. hygroscope.] (Physics)

Defn: An instrument which shows whether there is more or less
moisture in the atmosphere, without indicating its amount.

HYGROSCOPIC
Hy`gro*scop"ic, a. Etym: [Cf. F. hygroscopique.]

1. Of or pertaining to, or indicated by, the hygroscope; not readily
manifest to the senses, but capable of detection by the hygroscope;
as, glass is often covered with a film of hygroscopic moisture.

2. Having the property of readily inbibing moisture from the
atmosphere, or of the becoming coated with a thin film of moisture,
as glass, etc.

HYGROSCOPICITY
Hy`gro*sco*pic"i*ty, n. (Bot.)

Defn: The property possessed by vegetable tissues of absorbing or
discharging moisture according to circumstances.

HYGROSTATICS
Hy`gro*stat"ics, n. Etym: [Gr. Statics.]

Defn: The science or art of comparing or measuring degrees of
moisture. Evelyn.

HYKE
Hyke, n.

Defn: See Haik, and Huke.

HYKSOS
Hyk"sos, n. [Gr. , fr. Egypt. hikshasu chiefs of the Bedouins,
shepherds.]

Defn: A dynasty of Egyptian kings, often called the Shepherd kings,
of foreign origin, who, according to the narrative of Manetho, ruled
for about 500 years, forming the XVth and XVIth dynasties. It is now
considered that the XVIth is merely a double of the XVth dynasty, and
that the total period of the six Hyksos kings was little more than
100 years. It is supposed that they were Asiatic Semites.

HYLAEOSAUR; HYLAEOSAURUS
Hy"læ*o*saur`, Hy`læ*o*sau"rus, n. Etym: [NL. hylaeosaurus, fr. Gr.
(Paleon.)

Defn: A large Wealden dinosaur from the Tilgate Forest, England. It
was about twenty feet long, protected by bony plates in the skin, and
armed with spines.

HYLARCHICAL
Hy*lar"chi*cal, a. Etym: [Gr. hylarchique. See Archical.]

Defn: Presiding over matter. [Obs.] Hallywell.

HYLEOSAUR
Hy"le*o*saur", n.

Defn: Same as Hylæosaur.

HYLIC
Hyl"ic, a.

Defn: Of or pertaining to matter; material; corporeal; as, hylic
influences.

HYLICIST
Hy"li*cist, n. Etym: [Gr.

Defn: A philosopher who treats chiefly of matter; one who adopts or
teaches hylism.

HYLISM
Hy"lism, n. Etym: [Gr. (Metaph.)

Defn: A theory which regards matter as the original principle of
evil.

HYLOBATE
Hy"lo*bate, n. Etym: [Gr. (Zoöl.)

Defn: Any species of the genus Hylobates; a gibbon, or long-armed
ape. See Gibbon.

HYLODES
Hy*lo"des, n. Etym: [NL., fr. Gr. (Zoöl.)

Defn: The piping frog (Hyla Pickeringii), a small American tree frog,
which in early spring, while breeding in swamps and ditches, sings
with high, shrill, but musical, notes.

HYLOISM
Hy"lo*ism, n.

Defn: Same as Hylotheism.

HYLOIST
Hy"lo*ist, n. Etym: [Gr.

Defn: Same as Hylotheist.

HYLOPATHISM
Hy*lop"a*thism, n. Etym: [Gr.

Defn: The doctrine that matter is sentient. Krauth-Fleming.

HYLOPATHIST
Hy*lop"a*thist, n.

Defn: One who believes in hylopathism.

HYLOPHAGOUS
Hy*loph"a*gous, a. Etym: [Gr. (Zoöl.)

Defn: Eating green shoots, as certain insects do.

HYLOTHEISM
Hy"lo*the*ism, n. Etym: [Gr.

Defn: The doctrine of belief that matter is God, or that there is no
God except matter and the universe; pantheism. See Materialism.

HYLOTHEIST
Hy"lo*the*ist, n.

Defn: One who believes in hylotheism.

HYLOZOIC
Hy`lo*zo"ic, a.

Defn: Of or pertaining to hylozoism.

HYLOZOISM
Hy`lo*zo"ism, n. Etym: [Gr. hylozoïsme.]

Defn: The doctrine that matter possesses a species of life and
sensation, or that matter and life are inseparable. [R.] Cudworth.

HYLOZOIST
Hy`lo*zo"ist, n.

Defn: A believer in hylozoism. A. Tucker.

HYMAR
Hy*mar", n. (Zoöl.)

Defn: The wild ass of Persia.

HYMEN
Hy"men, n. Etym: [Gr. (Anat.)

Defn: A fold of muscous membrane often found at the orifice of the
vagina; the vaginal membrane.

HYMEN
Hy"men, n. Etym: [L., fr. Gr.

1. (Class Myth.)

Defn: A fabulous deity; according to some, the son of Apollo and
Urania, according to others, of Bacchus and Venus. He was the god of
marriage, and presided over nuptial solemnities.
Till Hymen brought his love-delighted hour, There dwelt no joy in
Eden's rosy bower. Campbell.

2. Marriage; union as if by marriage.
Hymen of element and race. Emerson.

HYMENEAL; HYMENEAN
Hy`me*ne"al, Hy`me*ne"an, a. Etym: [L. hymeneius, a., also Hymenaeus,
n., Hymen, Gr. hyménéal, hyménéen.]

Defn: Of or pertaining to marriage; as, hymeneal rites. Pope.

HYMENEAL; HYMENEAN
Hy`me*ne"al, Hy`me*ne"an, n.

Defn: A marriage song. Milton.

HYMENIUM
Hy*me"ni*um, n.; pl. L. Hymenia, E. Hymeniums. Etym: [NL., fr. Gr.
(Bot.)

Defn: The spore-bearing surface of certain fungi, as that on the
gills of a mushroom.

HYMENOGENY
Hy`me*nog"e*ny, n. Etym: [Gr.

Defn: The production of artificial membranes by contact of two
fluids, as albumin and fat, by which the globules of the latter are
surrounded by a thin film of the former.

HYMENOMYCETES
Hy`me*no*my*ce"tes, n. pl. Etym: [NL., fr. Gr. (Bot.)

Defn: One of the great divisions of fungi, containing those species
in which the hymenium is completely exposed. M. J. Berkley.

HYMENOPHORE
Hy*men"o*phore, n. Etym: [Gr. (Bot.)

Defn: That part of a fungus which is covered with the hymenium.

HYMENOPTER
Hy`me*nop"ter, n. Etym: [Cf. F. hyménoptère.] (Zoöl.)

Defn: One of the Hymenoptera.

HYMENOPTERA
Hy`me*nop"te*ra, n. pl. Etym: [NL., fr. Gr. (Zoöl.)

Defn: An extensive order of insects, including the bees, ants,
ichneumons, sawflies, etc.

Note: They have four membranous wings, with few reticulations, and
usually with a thickened, dark spot on the front edge of the anterior
wings. In most of the species, the tongue, or lingua, is converted
into an organ for sucking honey, or other liquid food, and the
mandibles are adapted for biting or cutting. In one large division
(Aculeata), including the bees, wasps, and ants, the females and
workers usually have a sting, which is only a modified ovipositor.

HYMENOPTERAL; HYMENOPTEROUS
Hy`me*nop"ter*al, Hy`me*nop"ter*ous, a. (Zoöl.)

Defn: Like, or characteristic of, the Hymenoptera; pertaining to the
Hymenoptera.

HYMENOPTERAN
Hy`me*nop"ter*an, n. (Zoöl.)

Defn: One of the Hymenoptera.

HYMN
Hymn, n. Etym: [OE. hympne, ympne, F. hymne, OF. also ymne, L.
hymnus, Gr. weave.]

Defn: An ode or song of praise or adoration; especially, a religious
ode, a sacred lyric; a song of praise or thankgiving intended to be
used in religious service; as, the Homeric hymns; Watts' hymns.
Admonishing one another in psalms and hymns. Col. iii. 16.
Where angels first should practice hymns, and string Their tuneful
harps. Dryden.
Hymn book, a book containing a collection of hymns, as for use in
churches; a hymnal.

HYMN
Hymn, v. t. [imp. & p. p. Hymned; p. pr. & vb. n. Hymning.] Etym:
[Cf. L. hymnire, Gr.

Defn: To praise in song; to worship or extol by singing hymns; to
sing.
To hymn the bright of the Lord. Keble.
Their praise is hymned by loftier harps than mine. Byron.

HYMN
Hymn, v. i.

Defn: To sing in praise or adoration. Milton.

HYMNAL
Hym"nal, n.

Defn: A collection of hymns; a hymn book.

HYMNIC
Hym"nic, a. Etym: [Cf. F. hymnique.]

Defn: Relating to hymns, or sacred lyrics. Donne.

HYMNING
Hymn"ing, a.

Defn: Praising with hymns; singing. "The hymning choir." G. West.

HYMNING
Hymn"ing, n.

Defn: The singing of hymns. Milton.

HYMNIST
Hym"nist, n.

Defn: A writer of hymns.

HYMNODY
Hym"no*dy, n. Etym: [Gr.

Defn: Hymns, considered collectively; hymnology.

HYMNOGRAPHER
Hym*nog"ra*pher, n.

1. One who writes on the subject of hymns.

2. A writer or composed of hymns.

HYMNOGRAPHY
Hym*nog"ra*phy, n. Etym: [Gr. graphy.]

Defn: The art or act of composing hymns.

HYMNOLOGIST
Hym*nol"o*gist, n.

Defn: A composer or compiler of hymns; one versed in hymnology.
Busby.

HYMNOLOGY
Hym*nol"o*gy, n. Etym: [Gr. -logy: cf. F. hymnologie.]

1. The hymns or sacred lyrics composed by authors of a particular
country or period; as, the hymnology of the eighteenth century; also,
the collective body of hymns used by any particular church or
religious body; as, the Anglican hymnology.

2. A knowledge of hymns; a treatise on hymns.

HYMPNE
Hymp"ne, n.

Defn: A hymn. [Obs.] Chaucer.

HYNDRESTE
Hynd"reste, a.

Defn: See Hinderest. [Obs.]

HYNE
Hyne, n.

Defn: A servant. See Hine. [Obs.] Chaucer.

HYO-
Hy"o-. Etym: [See Hyod.]

Defn: A prexif used in anatomy, and generally denoting connection
with the hyoid bone or arch; as, hyoglossal, hyomandibular,
hyomental, etc.

HYOGANOIDEI
Hy`o*ga*noi"de*i, n. pl. Etym: [NL. See Hyo-, and Canoidei.] (Zoöl.)

Defn: A division of ganoid fishes, including the gar pikes and
bowfins.
 -- Hy`o*ga"noid, a.

HYOGLOSSAL
Hy`o*glos"sal, a. Etym: [Hyo- + Gr. (Anat.)
(a) Pertaining to or connecting the tongue and hyodean arch; as, the
hyoglossal membrane.
(b) Of or pertaining to the hyoglossus muscle.

HYOGLOSSUS
Hy`o*glos"sus, n. Etym: [NL., fr. hyo- hyo- + Gr. (Anat.)

Defn: A flat muscle on either side of the tongue, connecting it with
the hyoid bone.

HYOID
Hy"oid, a. Etym: [Gr. hyoïde.]

1. Having the form of an arch, or of the Greek letter upsilon [

2. (Anat.)

Defn: Of or pertaining to the bony or cartilaginous arch which
supports the tongue. Sometimes applied to the tongue itself. Hyoid
arch (Anat.), the arch of cartilaginous or bony segments, which
connects the base of the tongue with either side of the skull.
 -- Hyoid bone (Anat.), the bone in the base of the tongue, the
middle part of the hyoid arch.

HYOID
Hy"oid, n.

Defn: The hyoid bone.

HYOIDEAL; HYOIDEAN
Hy*oid"e*al, Hy*oid"e*an, a.

Defn: Same as Hyoid, a.

HYOMANDIBULAR
Hy`o*man*dib"u*lar, a. Etym: [Hyo- + mandibular.] (Anat.)

Defn: Pertaining both to the hyoidean arch and the mandible or lower
jaw; as, the hyomandibular bone or cartilage, a segment of the hyoid
arch which connects the lower jaw with the skull in fishes.
 -- n.

Defn: The hyomandibular bone or cartilage.

HYOMENTAL
Hy`o*men"tal, a. Etym: [Hyo- + mental of the chin.] (Anat.)

Defn: Between the hyoid bone and the lower jaw, pertaining to them;
suprahyoid; submaxillary; as, the hyomental region of the front of
the neck.

HYOPASTRON
Hy`o*pas"tron, n. Etym: [Hyo- + plastron.] (Zoöl.)

Defn: The second lateral plate in the plastron of turtles; -- called
also hyosternum.

HYOSCINE
Hy*os"cine, n. Etym: [See Hyoscyamus.] (Chem.)

Defn: An alkaloid found with hyoscyamine (with which it is also
isomeric) in henbane, and extracted as a white, amorphous, semisolid
substance.

HYOSCYAMINE
Hy`os*cy"a*mine, n. Etym: [See Hyoscyamus.] (Chem.)

Defn: An alkaloid found in henbane (Hyoscyamus niger), and regarded
as its active principle. It is also found with other alkaloids in the
thorn apple and deadly nightshade. It is extracted as a white
crystalline substance, with a sharp, offensive taste. Hyoscyamine is
isomeric with atropine, is very poisonous, and is used as a medicine
for neuralgia, like belladonna. Called also hyoscyamia, duboisine,
etc.

HYOSCYAMUS
Hy`os*cy"a*mus, n. Etym: [L., fr. Gr.

1. (Bot.)

Defn: A genus of poisonous plants of the Nightshade family; henbane.

2. (Med.)

Defn: The leaves of the black henbane (Hyoscyamus niger), used in
neuralgic and pectorial troubles.

HYOSTERNAL
Hy`o*ster"nal, a. Etym: [Hyo- + ternal.] (Anat.)
(a) Between the hyoid bone and the sternum, or pertaining to them;
infrahyoid; as, the hyosternal region of the neck.
(b) Pertaining to the hyosternum of turtles.

HYOSTERNUM
Hy`o*ster"num, n. Etym: [Hyo- + sternum.] (Anat.)

Defn: See Hyoplastron.

HYOSTYLIC
Hy`o*styl"ic, a. Etym: [Hyo- + Gr. (Anat.)

Defn: Having the mandible suspended by the hyomandibular, or upper
part of the hyoid arch, as in fishes, instead of directly articulated
with the skull as in mammals; -- said of the skull.

HYP
Hyp, n.

Defn: An abbreviation of hypochonaria; -- usually in plural.
[Colloq.]
Heaven send thou hast not got the hyps. Swift.

HYP
Hyp, v. t.

Defn: To make melancholy. [Colloq.] W. Irving.

HYPAETHRAL; HYPETHRAL
Hy*pæ"thral, Hy*pe"thral, a. Etym: [L. hypaethrus in the open air,
uncovered, Gr. (Arch.)

Defn: Exposed to the air; wanting a roof; -- applied to a building or
part of a building. Gwilt.

HYPALLAGE
Hy*pal"la*ge, n. Etym: [L., fr. Gr. (Gram.)

Defn: A figure consisting of a transference of attributes from their
proper subjects to other. Thus Virgil says, "dare classibus austros,"
to give the winds to the fleets, instead of dare classibus austris,
to give the fleets to the winds.
The hypallage, of which Virgil is fonder than any other writer, is
much the gravest fault in language. Landor.

HYPALLELOMORPH
Hyp`al*le"lo*morph, n.

Defn: See Allelomorph.

HYPANTHIUM
Hy*pan"thi*um, n.; pl. L. Hypanthia, E. Hypanthiums. Etym: [NL., fr.
Gr. (Bot.)

Defn: A fruit consisting in large part of a receptacle, enlarged
below the calyx, as in the alycanthus, the rose hip, and the pear.

HYPAPOPHYSIS
Hy`pa*poph"y*sis, n.; pl. Hypapophyles. Etym: [NL. See Hypo-, and
Apophysis.] (Anat.)

Defn: A process, or other element, of a vertebra developed from the
ventral side of the centrum, as hæmal spines, and chevron bones.
 -- Hy`pa*po*phys"i*al, a.

HYPARTERIAL
Hy`par*te"ri*al, a. Etym: [Hypo- + arterial.] (Anat.)

Defn: Situated below an artery; applied esp. to the branches of the
bronchi given off below the point where the pulmonary artery crosses
the bronchus.

HYPASPIST
Hy*pas"pist, n. Etym: [Gr. (Gr. Antiq.)

Defn: A shield-bearer or armor-bearer. Mitford.

HYPAXIAL
Hy*pax"i*al, a. Etym: [Hypo- + axial.] (Anat.)

Defn: Beneath the axis of the skeleton; subvertebral; hyposkeletal.

HYPE
hype n.

Defn: Intense publicity for a future event, performed in a showy or
excessively dramatic manner suggesting an importance not justified by
the event; as, the hype surrounding the superbowl is usually
ludicrous.
[PJC]

HYPE
hype v. t.

1. to publicize [e.g. a product or a future event] insistently, in a
manner exaggerating the importance of; to promote flamboyantly.
[wns=1]
[WordNet 1.5]

2. To stimulate or excite (a person); --usually used with up, and
often in the passive form; as, she was all hyped up over her upcoming
wedding.
[PJC]

HYPER-
Hy"per-. Etym: [Gr. super, E. over. See Over, and cf. Super-.]

1. A prefix signifying over, above; as, hyperphysical, hyperthyrion;
also, above measure, abnormally great, excessive; as, hyperæmia,
hyperbola, hypercritical, hypersecretion.

2. (Chem.)

Defn: A prefix equivalent to super- or per-; as hyperoxide, or
peroxide. [Obs.] See Per-.

HYPERAEMIA
Hy`per*æ"mi*a, n. Etym: [NL., fr. Gr. (Med.)

Defn: A superabundance or congestion of blood in an organ or part of
the body. Active hyperæmia, cognestion d%ue to increased flow of
blood to a part.
 -- Passive hyperæmia, interchange due to obstruction in the return
of blood from a part.
 -- Hy`per*æ"mic, a.

HYPERAESTHESIA
Hy`per*æs*the"si*a, n. Etym: [NL., fr. Gr. (Med. & Physiol.)

Defn: A state of exalted or morbidly increased sensibility of the
body, or of a part of it.
 -- Hy`per*æs*thet"ic, a.

HYPERAPOPHYSIS
Hy`per*a*poph"y*sis, n.; pl. Hyperapophyses. Etym: [NL. See Hyper-,
and Apophysis.] (Anat.)

Defn: A lateral and backward-projecting process on the dorsal side of
a vertebra.
 -- Hy`per*ap`o*phys"i*al, a.

HYPERASPIST
Hy`per*as"pist, n. Etym: [Gr.

Defn: One who holds a shield over another; hence, a defender. [Obs.]
Chillingworth.

HYPERBATIC
Hy`per*bat"ic, a.

Defn: Of or pertaining to an hyperbaton; transposed; inverted.

HYPERBATON
Hy*per"ba*ton, n. Etym: [L., fr. Gr. (Gram.)

Defn: A figurative construction, changing or inverting the natural
order of words or clauses; as, "echoed the hills" for "the hills
echoed."
With a violent hyperbaton to transpose the text. Milton.

HYPERBOLA
Hy*per"bo*la, n. Etym: [Gr. i. e., of the angle which the cutting
plane makes with the base. See Hyperbole.] (Geom.)

Defn: A curve formed by a section of a cone, when the cutting plane
makes a greater angle with the base than the side of the cone makes.
It is a plane curve such that the difference of the distances from
any point of it to two fixed points, called foci, is equal to a given
distance. See Focus. If the cutting plane be produced so as to cut
the opposite cone, another curve will be formed, which is also an
hyperbola. Both curves are regarded as branches of the same
hyperbola. See Illust. of Conic section, and Focus.

HYPERBOLE
Hy*per"bo*le, n. Etym: [L., fr. GrHyper-, Parable, and cf.
Hyperbola.] (Rhet.)

Defn: A figure of speech in which the expression is an evident
exaggeration of the meaning intended to be conveyed, or by which
things are represented as much greater or less, better or worse, than
they really are; a statement exaggerated fancifully, through
excitement, or for effect.
Our common forms of compliment are almost all of them extravagant
hyperboles. Blair.
Somebody has said of the boldest figure in rhetoric, the hyperbole,
that it lies without deceiving. Macaulay.

HYPERBOLIC; HYPERBOLICAL
Hy`per*bol"ic, Hy`per*bol"ic*al, a. Etym: [L. hyperbolicus, Gr.
hyperbolique.]

1. (Math.)

Defn: Belonging to the hyperbola; having the nature of the hyperbola.

2. (Rhet.)

Defn: Relating to, containing, or of the nature of, hyperbole;
exaggerating or diminishing beyond the fact; exceeding the truth; as,
an hyperbolical expression. "This hyperbolical epitaph." Fuller.
Hyperbolic functions (Math.), certain functions which have relations
to the hyperbola corresponding to those which sines, cosines,
tangents, etc., have to the circle; and hence, called hyperbolic
sines, hyperbolic cosines, etc.
 -- Hyperbolic logarithm. See Logarithm.
 -- Hyperbolic spiral (Math.), a spiral curve, the law of which is,
that the distance from the pole to the generating point varies
inversely as the angle swept over by the radius vector.

HYPERBOLICALLY
Hy`per*bol"ic*al*ly, adv.

1. (Math.)

Defn: In the form of an hyperbola.

2. (Rhet.)

Defn: With exaggeration; in a manner to express more or less than the
truth. Sir W. Raleigh.

HYPERBOLIFORM
Hy`per*bol"i*form, a. Etym: [Hyperbola + -form.]

Defn: Having the form, or nearly the form, of an hyperbola.

HYPERBOLISM
Hy*per"bo*lism, n. Etym: [Cf. F. hyperbolisme.]

Defn: The use of hyperbole. Jefferson.

HYPERBOLIST
Hy*per"bo*list, n.

Defn: One who uses hyperboles.

HYPERBOLIZE
Hy*per"bo*lize, v. i. [imp. & p. p. Hyperbolized; p. pr. & vb. n.
Hyperbolizing.] Etym: [Cf. F. hyperboliser.]

Defn: To speak or write with exaggeration. Bp. Montagu.

HYPERBOLIZE
Hy*per"bo*lize, v. t.

Defn: To state or represent hyperbolically. Fotherby.

HYPERBOLOID
Hy*per"bo*loid, n. Etym: [Hyperbola + -oid: cf. F. hyperboloïde.]
(Geom.)

Defn: A surface of the second order, which is cut by certain planes
in hyperbolas; also, the solid, bounded in part by such a surface.
Hyperboloid of revolution, an hyperboloid described by an hyperbola
revolving about one of its axes. The surface has two separate sheets
when the axis of revolution is the transverse axis, but only one when
the axis of revolution is the conjugate axis of the hyperbola.

HYPERBOLOID
Hy*per"bo*loid, a. (Geom.)

Defn: Having some property that belongs to an hyperboloid or
hyperbola.

HYPERBOREAN
Hy`per*bo"re*an, a. Etym: [L. hyperboreus, Gr. Boreas.]

1. (Greek Myth.)

Defn: Of or pertaining to the region beyond the North wind, or to its
inhabitants.

2. Northern; belonging to, or inhabiting, a region in very far north;
most northern; hence, very cold; fright, as, a hyperborean coast or
atmosphere.
The hyperborean or frozen sea. C. Butler (1633).

HYPERBOREAN
Hy`per*bo"re*an, n.

1. (Greek Myth.)

Defn: One of the people who lived beyond the North wind, in a land of
perpetual sunshine.

2. An inhabitant of the most northern regions.

HYPERCARBURETED
Hy`per*car"bu*ret`ed, a. (Chem.)

Defn: Having an excessive proportion of carbonic acid; -- said of
bicarbonates or acid carbonates. [Written also hypercarburetted.]

HYPERCATALECTIC
Hy`per*cat`a*lec"tic, a. Etym: [L. hypercatalecticus,
hypercatalectus, Gr. hypercatalectique. See Hyper-, and Catalectic.]
(Pros.)

Defn: Having a syllable or two beyond measure; as, a hypercatalectic
verse.

HYPERCHLORIC
Hy`per*chlo"ric, a. (Chem.)

Defn: See Perchloric.

HYPERCHROMATISM
Hy`per*chro"ma*tism, n.

Defn: The condition of having an unusual intensity of color.

HYPERCRITIC
Hy`per*crit"ic, n. Etym: [Pref. hyper- + critic: cf. F.
hypercritique.]

Defn: One who is critical beyond measure or reason; a carping critic;
a captious censor. "Hypercritics in English poetry." Dryden.

HYPERCRITIC
Hy`per*crit"ic, a.

Defn: Hypercritical.

HYPERCRITICAL
Hy`per*crit"ic*al, a.

1. Over critical; unreasonably or unjustly critical; carping;
captious. "Hypercritical readers." Swift.

2. Excessively nice or exact. Evelyn.

HYPERCRITICALLY
Hy`per*crit"ic*al*ly, adv.

Defn: In a hypercritical manner.

HYPERCRITICISE
Hy`per*crit"i*cise, v. t.

Defn: To criticise with unjust severity; to criticise captiously.

HYPERCRITICISM
Hy`per*crit"i*cism, n.

Defn: Excessive criticism, or unjust severity or rigor of criticism;
zoilism.

HYPERDICROTIC
Hy`per*di*crot"ic, a. (Physiol.)

Defn: Excessive dicrotic; as, a hyperdicrotic pulse.

HYPERDICROTISM
Hy`per*di"cro*tism, n. (Physiol.)

Defn: A hyperdicrotic condition.

HYPERDICROTOUS
Hy`per*di"cro*tous, a. (Physiol.)

Defn: Hyperdicrotic.

HYPERDULIA
Hy`per*du*li"a, n. Etym: [Pref. hyper- + dulia: cf. F. hyperdulie.]
(R. C. Ch.)

Defn: Veneration or worship given to the Virgin Mary as the most
exalted of mere creatures; higher veneration than dulia. Addis &
Arnold.

HYPERDULY
Hy"per*du`ly, n.

Defn: Hyperdulia. [Obs.]

HYPERESTHESIA
Hy`per*es*the"si*a, n.

Defn: Same as Hyperæsthesia.

HYPERICUM
Hy*per"i*cum, n. Etym: [L., fr. Gr. (Bot.)

Defn: A genus of plants, generally with dotted leaves and yellow
flowers; -- called also St. John's-wort.

HYPERINOSIS
Hy`per*i*no"sis, n. Etym: [NL., fr. Gr. (Med.)

Defn: A condition of the blood, characterized by an abnormally large
amount of fibrin, as in many inflammatory diseases.

HYPERION
Hy*pe"ri*on, n. Etym: [L., fr. Gr. (Class Myth.)

Defn: The god of the sun; in the later mythology identified with
Apollo, and distinguished for his beauty.
So excellent a king; that was, to this, Hyperion to a satyr. Shak.

HYPERKINESIS
Hy`per*ki*ne"sis, n. Etym: [NL., fr. Gr. (Med.)

Defn: Abnormally increased muscular movement; spasm.

HYPERKINETIC
Hy`per*ki*net"ic, a.

Defn: Of or pertaining to hyperkinesis.

HYPERMETAMORPHOSIS
Hy`per*met`a*mor"pho*sis, n. Etym: [Hyper- + metamorphosis.] (Zoöl.)

Defn: A kind of metamorphosis, in certain insects, in which the larva
itself undergoes remarkable changes of form and structure during its
growth.

HYPERMETER
Hy*per"me*ter, n. Etym: [Gr. hypermètre.]

1. (Pros.)

Defn: A verse which has a redundant syllable or foot; a
hypercatalectic verse.

2. Hence, anything exceeding the ordinary standard.
When a man rises beyond six foot, he is an hypermeter. Addison.

HYPERMETRICAL
Hy`per*met"ric*al, a.

Defn: Having a redundant syllable; exceeding the common measure.
Hypermetrical verse (Gr. & Lat. Pros.), a verse which contains a
syllable more than the ordinary measure.

HYPERMETROPIA; HYPERMETROPY
Hy`per*me*tro"pi*a, Hy`per*met"ro*py, n. Etym: [NL. hypermetropia,
fr. Gr. Hypermeter.]

Defn: A condition of the eye in which, through shortness of the
eyeball or fault of the refractive media, the rays of light come to a
focus behind the retina; farsightedness; -- called also hyperopia.
Cf. Emmetropia.

Note: In hypermetropia, vision for distant objects, although not
better absolutely, is better than that for near objects, and hence,
the individual is said to be farsighted. It is corrected by the use
of convex glasses.
 -- Hy`per*me*trop"ic, a.

HYPERMYRIORAMA
Hy`per*myr`i*o*ra"ma, n. Etym: [NL., fr. Gr.

Defn: A show or exhibition having a great number of scenes or views.

HYPERNOEA
Hy`per*noe"a, n. Etym: [NL., fr. Gr. (Physiol.)

Defn: Abnormal breathing, due to slightly deficient arterialization
of the blood; -- in distinction from eupnoea. See Eupnoea, and
Dispnoea.

HYPEROARTIA
Hy`per*o*ar"ti*a, n. pl. Etym: [NL.] (Zoöl.)

Defn: An order of marsipobranchs including the lampreys. The
suckerlike moth contains numerous teeth; the nasal opening is in the
middle of the head above, but it does not connect with the mouth. See
Cyclostoma, and Lamprey.

HYPEROPIA
Hy`per*o"pi*a, n. Etym: [NL., fr. Gr.

Defn: Hypermetropia.
 -- Hy`per*op"tic, a.

HYPERORGANIC
Hy`per*or*gan"ic, a. Etym: [Pref. hyper- + organic.]

Defn: Higher than, or beyond the sphere of, the organic. Sir W.
Hamilton.

HYPERORTHODOXY
Hy`per*or"tho*dox`y, n.

Defn: Orthodoxy pushed to excess.

HYPEROTRETA
Hy`per*o*tre"ta, n. pl. Etym: [NL., fr. Gr. (Zoöl.)

Defn: An order of marsipobranchs, including the Myxine or hagfish and
the genus Bdellostoma. They have barbels around the mouth, one tooth
on the plate, and a communication between tionnasal aperture and the
throat. See Hagfish. [Written also Hyperotreti.]

HYPEROXIDE
Hy`per*ox"ide, n. (Chem.)

Defn: A compound having a relatively large percentage of oxygen; a
peroxide. [Obs.]

HYPEROXYGENATED; HYPEROXYGENIZED
Hy`per*ox"y*gen*a`ted, Hy`per*ox"y*gen*ized, a. (Chem.)

Defn: Combined with a relatively large amount of oxygen; -- said of
higher oxides. [Obs.]

HYPEROXYMURIATE
Hy`per*ox`y*mu"ri*ate, n. (Chem.)

Defn: A perchlorate. [Obs.]

HYPEROXYMURIATIC
Hy`per*ox`y*mu`ri*at"ic, a. (Chem.)

Defn: Perchloric; as, hyperoxymuriatic acid. [Obs.]

HYPERPHYSICAL
Hy`per*phys"ic*al, a.

Defn: Above or transcending physical laws; supernatural.
Those who do not fly to some hyperphysical hypothesis. Sir W.
Hamilton.

HYPERPLASIA
Hy`per*pla"si*a, n. Etym: [NL., fr. Gr. (Med. & Biol.)

Defn: An increase in, or excessive growth of, the normal elements of
any part.

Note: Hyperplasia relates to the formation of new elements,
hypertrophy being an increase in bulk of preexisting normal elements.
Dunglison.

HYPERPLASTIC
Hy`per*plas"tic, a.

1. Of or pertaining to hyperplasia.

2. (Biol.)

Defn: Tending to excess of formative action.

HYPERPYREXIA
Hy`per*py*rex"i*a, n. Etym: [NL. See Hyper-, and Pyrexia.] (Med.)

Defn: A condition of excessive fever; an elevation of temperature in
a disease, in excess of the limit usually observed in that disease.

HYPERSECRETION
Hy`per*se*cre"tion, n. (Med.)

Defn: Morbid or excessive secretion, as in catarrh.

HYPERSENSIBILITY
Hy`per*sen`si*bil"i*ty, n.

Defn: See Hyperæsthesia.

HYPERSPACE
Hy"per*space, n. Etym: [Pref. hyper- + space.] (Geom.)

Defn: An imagined space having more than three dimensions.

HYPERSTHENE
Hy"per*sthene, n. Etym: [Gr. hyperstène.] (Min.)

Defn: An orthorhombic mineral of the pyroxene group, of a grayish or
greenish black color, often with a peculiar bronzelike luster
(schiller) on the cleavage surface.

HYPERSTHENIC
Hy`per*sthen"ic, a. (Min.)

Defn: Composed of, or containing, hypersthene.

HYPERTHETICAL
Hy`per*thet"ic*al, a. Etym: [Gr.

Defn: Exaggerated; excessive; hyperbolical. [Obs.]
Hyperthetical or superlative . . . expression. Chapman.

HYPERTHYRION
Hy`per*thyr"i*on, n. Etym: [NL., fr. Gr. (Arch.)

Defn: That part of the architrave which is over a door or window.

HYPERTROPHIC; HYPERTROPHICAL
Hy`per*troph"ic, Hy`per*troph"ic*al, a. Etym: [Cf. F.
hypertrophique.] (Med. & Biol.)

Defn: Of or pertaining to hypertrophy; affected with, or tending to,
hypertrophy.

HYPERTROPHIED
Hy*per"tro*phied, a. (Med. & Biol.)

Defn: Excessively developed; characterized by hypertrophy.

HYPERTROPHY
Hy*per"tro*phy, n. Etym: [Gr. hypertrophie.] (Med. & Biol.)

Defn: A condition of overgrowth or excessive development of an organ
or part; -- the opposite of atrophy.

HYPHAE
Hy"phæ, n. pl. Etym: [NL., fr. Gr. "yfh` a web.] (Bot.)

Defn: The long, branching filaments of which the mycelium (and the
greater part of the plant) of a fungus is formed. They are also found
enveloping the gonidia of lichens, making up a large part of their
structure.

HYPHEN
Hy"phen, n. Etym: [L., fr. Gr. Hypo-.] (Print.)

Defn: A mark or short dash, thus [-], placed at the end of a line
which terminates with a syllable of a word, the remainder of which is
carried to the next line; or between the parts of many a compound
word; as in fine-leaved, clear-headed. It is also sometimes used to
separate the syllables of words.

HYPHEN
Hy"phen, v. t. [imp. & p. p. Hyphened; p. pr. & vb. n. Hyphening.]

Defn: To connect with, or separate by, a hyphen, as two words or the
parts of a word.

HYPHENATED
Hy"phen*a`ted, a.

Defn: United by hyphens; hyphened; as, a hyphenated or hyphened word.

HYPHOMYCETES
Hy`pho*my*ce"tes, n. pl. Etym: [NL., fr. Gr. (Bot.)

Defn: One of the great division of fungi, containing those species
which have naked spores borne on free or only fasciculate threads. M.
J. Berkley.

HYPIDIOMORPHIC
Hy*pid`i*o*mor"phic, a. Etym: [Pref. hypo- + idiomorphic.]
(Crystallog.)

Defn: Partly idiomorphic; -- said of rock a portion only of whose
constituents have a distinct crystalline form.
 -- Hy*pid`i*o*mor"phic*al*ly, adv.

HYPINOSIS
Hyp`i*no"sis, n. Etym: [NL., fr. Gr. (Med.)

Defn: A diminution in the normal amount of fibrin present in the
blood.

HYPNAGOGIC
Hyp`na*gog"ic, a. Etym: [Gr.

Defn: Leading to sleep; -- applied to the illusions of one who is
half asleep.

HYPNOBATE
Hyp"no*bate, n. Etym: [F., fr. Gr.

Defn: A somnambulist. [R.]

HYPNOCYST
Hyp"no*cyst, n. Etym: [Gr. cyst.] (Biol.)

Defn: A cyst in which some unicellular organisms temporarily inclose
themselves, from which they emerge unchanged, after a period of
drought or deficiency of food. In some instances, a process of spore
formation seems to occur within such cysts.

HYPNOGENIC
Hyp`no*gen"ic, a. Etym: [Gr. (Physiol.)

Defn: Relating to the production of hypnotic sleep; as, the so-called
hypnogenic pressure points, pressure upon which is said to cause an
attack of hypnotic sleep. De Watteville.

HYPNOLOGIST
Hyp*nol"o*gist, n.

Defn: One who is versed in hypnology.

HYPNOLOGY
Hyp*nol"o*gy, n. Etym: [Gr. -logy.]

Defn: A treatise on sleep; the doctrine of sleep.

HYPNOSCOPE
Hyp"no*scope, n. [Gr.  + -scope.] (Physiol.)

Defn: An instrument for ascertaining the susceptibility of a person
to hypnotic influences.

HYPNOSIS
Hyp*no"sis, n. Etym: [NL., fr. Gr. (Med.)

Defn: Supervention of sleep.

HYPNOTIC
Hyp*not"ic, a. Etym: [Gr. somnus, and E. somnolent: cf. F.
hypnotique.]

1. Having the quality of producing sleep; tending to produce sleep;
soporific.

2. Of or pertaining to hypnotism; in a state of hypnotism; liable to
hypnotism; as, a hypnotic condition.

HYPNOTIC
Hyp*not"ic, n.

1. Any agent that produces, or tends to produce, sleep; an opiate; a
soporific; a narcotic.

2. A person who exhibits the phenomena of, or is subject to,
hypnotism.

HYPNOTISM
Hyp"no*tism, n. Etym: [Gr. hypnotisme.]

Defn: A form of sleep or somnambulism brought on by artificial means,
in which there is an unusual suspension of some powers, and an
unusual activity of others. It is induced by an action upon the
nerves, through the medium of the senses, as in persons of very
feeble organization, by gazing steadly at a very bright object held
before the eyes, or by pressure upon certain points of the surface of
the body.

HYPNOTIZATION
Hyp`no*ti*za"tion, n.

Defn: The act or process of producing hypnotism.

HYPNOTIZE
Hyp"no*tize, v. t. [imp. & p. p. Hypnotized; p. pr. & vb. n.
Hypnotizing.]

Defn: To induce hypnotism in; to place in a state of hypnotism.

HYPNOTIZER
Hyp"no*ti`zer, n.

Defn: One who hypnotizes.

HYPNUM
Hyp"num, n. Etym: [NL., fr. Gr. (Bot.)

Defn: The largest genus of true mosses; feather moss.

HYPO-
Hy"po-. Etym: [Gr. sub. See Sub-.]

1. A prefix signifying a less quantity, or a low state or degree, of
that denoted by the word with which it is joined, or position under
or beneath.

2. (Chem.)

Defn: A prefix denoting that the element to the name of which it is
prefixed enters with a low valence, or in a low state of oxidization,
usually the lowest, into the compounds indicated; as, hyposulphurous
acid.

HYPO
Hy"po, n.

Defn: Hypochondria. [Colloq.]

HYPO
Hy"po, n. Etym: [Abbrev. from hyposulphite.] (Photog.)

Defn: Sodium hyposulphite, or thiosulphate, a solution of which is
used as a bath to wash out the unchanged silver salts in a picture.
[Colloq.]

HYPOARIAN
Hy`po*a"ri*an, a. (Anat.)

Defn: Of or pertaining to a hypoarion.

HYPOARION
Hy`po*a"ri*on, n.; pl. Hypoaria. Etym: [NL., fr. Gr. (Anat.)

Defn: An oval lobe beneath each of the optic lobes in many fishes;
one of the inferior lobes. Owen.

HYPOBLAST
Hy"po*blast, n. Etym: [Pref. hypo- + -blast.] (Biol.)

Defn: The inner or lower layer of the blastoderm; -- called also
endoderm, entoderm, and sometimes hypoderm. See Illust. of
Blastoderm, Delamination, and Ectoderm.

HYPOBLASTIC
Hy`po*blas"tic, a. (Biol.)

Defn: Relating to, or connected with, the hypoblast; as, the hypoic
sac.

HYPOBOLE
Hy*pob"o*le, n. Etym: [Gr. (Rhet.)

Defn: A figure in which several things are mentioned that seem to
make against the argument, or in favor of the opposite side, each of
them being refuted in order.

HYPOBRANCHIAL
Hy`po*bran"chi*al, a. Etym: [Pref. hypo- + branchial.] (Anat.)

Defn: Pertaining to the segment between the basibranchial and the
ceratobranchial in a branchial arch.
 -- n.

Defn: A hypobranchial bone or cartilage.

HYPOCARP; HYPOCARPIUM
Hy"po*carp, Hy`po*car"pi*um, n. Etym: [NL. hypocarpium, fr. Gr.
(Bot.)

Defn: A fleshy enlargement of the receptacle, or for the stem, below
the proper fruit, as in the cashew. See Illust. of Cashew.

HYPOCARPOGEAN
Hy`po*car`po*ge"an, a. Etym: [Pref. hypo- + Gr. (Bot.)

Defn: Producing fruit below the ground.

HYPOCAUST