Chapter 118

Hush"ing, n. (Mining) The process of washing ore, or of uncovering mineral veins, by a heavy discharge of water from a reservoir; flushing; -- also called booming.

Husk (?), n. [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, v. t. [imp. & p. p. Husked (?); p. pr. & vb. n. Husking.] To strip off the external covering or envelope of; as, to husk Indian corn.

Husked (?), a. 1. Covered with a husk.

2. Stripped of husks; deprived of husks.

Hus"ki*ly (?), adv. [From Husky.] In a husky manner; dryly.

Hus"ki*ness, n. 1. The state of being husky.

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

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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.

Husk"y (?), a. [From Husk, n.] Abounding with husks; consisting of husks. Dryden.

Hus"ky (?), a. [Prob. for husty; cf. OE. host cough, AS. hwsta; akin to D. hoest, G. husten, OHG. huosto, Icel. hsti. See Wheeze.] Rough in tone; harsh; hoarse; raucous; as, a husky voice.

Hu"so (?), n. [NL., fr. G. hausen, and E. isin&?;glass.] (Zoˆl.) (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.

Hus*sar" (?), n. [Hung. husz·r, 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.) Originally, one of the national cavalry of Hungary and Croatia; now, one of the light cavalry of European armies.

Huss"ite (?), n. (Eccl. Hist.) A follower of John Huss, the Bohemian reformer, who was adjudged a heretic and burnt alive in 1415.

Hus"sy (?), n. [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.

Hus"sy, n. [From Icel. h&?;si a case, prob. fr. h&?;s house. See House, and cf. Housewife a bag, Huswife a bag.] A case or bag. See Housewife, 2.

Hus"tings (?), n. pl. [OE. husting an assembly, coucil, AS. h&?;sting; of Scand. origin; cf. Icel. h&?;s&?;ing; h&?;s home + &?;ing 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.

Hus"tle (?), v. t. [imp. & p. p. Hustled (?); p. pr. & vb. n. Hustling (?).] [D. hustelen to shake, fr. husten to shake. Cf. Hotchpotch.] To shake together in confusion; to push, jostle, or crowd rudely; to handle roughly; as, to hustle a person out of a room. Macaulay.

Hus"tle, v. i. 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.

Hus"wife (?), n. [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. [See Hussy a bag.] A case for sewing materials. See Housewife. Cowper.

Hus"wife, v. t. To manage with frugality; -- said of a woman. Dryden.

Hus"wife*ly, a. Like a huswife; capable; economical; prudent. -- adv. In a huswifely manner.

Hus"wife*ry (?), n. The business of a housewife; female domestic economy and skill. Tusser.

Hut (?), n. [OE. hotte; akin to D. hut, G. h¸tte, OHG. hutta, Dan. hytte, Sw. hydda; and F. hutte, of G. origin; all akin to E. hide to conceal. See Hude to conceal.] 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 (?), v. t. & i. [imp. & p. p. Hutted (?); p. pr. & vb. n. Hutting.] 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 (?), n. [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) 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, 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) To wash (ore) in a box or jig.

Hutch`un*so"ni*an (?), n. A follower of John Hutchinson of Yorkshire, England, who believed that the Hebrew Scriptures contained a complete system of natural science and of theology.

Hut*to"ni*an (?), a. Relating to what is now called the Plutonic theory of the earth, first advanced by Dr. James Hutton. Lyell.

Hux"ter (?), n. & v. i. See Huckster.

Huy*ghe"ni*an (?), a. Pertaining to, or invented by, Christian Huyghens, a Dutch astronomer of the seventeenth century; as, the Huyghenian telescope.

Huyghenian eyepieceSee under Eyepiece.

Huzz (?), v. i. [An onomatopúa. &radic;43. Cf. Buzz.] To buzz; to murmur. [Obs.]

Huzzing and burring in the preacher's ear.

Latimer.

Huz*za" (?), interj. [Cf. G. hussa, husa, interj., hurrah, huzza. &radic;43. Cf. Hurrah.] A word used as a shout of joy, exultation, approbation, or encouragement.

Huz"za, n. A shout of huzza; a cheer; a hurrah.

They made a great huzza or shout.

Evelyn.

Huz*za", v. i. [imp. & p. p. Huzzaed (?); p. pr. & vb. n. Huzzaing.] To shout huzza; to cheer.

Huz*za", v. t. To receive or attend with huzzas.

He was huzzaed into the court.

Addison.

Hy (?), a. High. [Obs.] Chaucer.

Hy"a*cine (?), n. A hyacinth. [Obs.] Spenser.

Hy"a*cinth (?), n. [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. &?;, &?;: cf. F. 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.) 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.

Hy`a*cin"thi*an (?), a. Hyacinthine. [R.]

Hy`a*cin"thine (?), a. [L. hyacinthinus, Gr. &?;.] Belonging to the hyacinth; resembling the 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.

{ Hy"a*des (?), Hy"ads (?), } n. pl. [L. Hyades, Gr. &?;.] (Astron.) 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 Hyades Vext the dim sea.

Tennyson.

Hy*Ê"na (?), n. (Zoˆl.) Same as Hyena.

||Hy*a"le*a (?), n. [NL., fr. Gr. &?; glassy, fr. "y`alos glass.] ||(Zoˆl.) A pteropod of the genus Cavolina. See Pteropoda, and ||Illustration in Appendix.

Hy`a*les"cence (?), n. [See Hyaline.] The process of becoming, or the state of being, transparent like glass.

Hy"a*line (?), a. [L. hyalinus, Gr. &?;, fr. "y`alos glass: cf. F. hyalin.] Glassy; resembling glass; consisting of glass; transparent, like crystal. "Hyaline spaces." Carpenter.

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

3. (Physiol. Chem.) The main constituent of the walls of hydatid cysts; a nitrogenous body, which, by decomposition, yields a dextrogyrate sugar, susceptible of alcoholic fermentation. Gamgee.

Hy"a*lite (?), n. [Gr. "y`alos glass: cf. F. hyalite.] (Min.) A pellucid variety of opal in globules looking like colorless gum or resin; -- called also M¸ller's glass.

Hy*al"o*graph (?), n. [Gr. "y`alos glass + graph.] An instrument for tracing designs on glass.

Hy`a*log"ra*phy (?), n. Art of writing or engraving on glass.

Hy"a*loid (?), a. [Gr. &?; glassy, transparent; "y`alos glass + &?; appearance: cf. F. hyaloÔde.] (Anat.) Resembling glass; vitriform; transparent; hyaline; as, the hyaloid membrane, a very delicate membrane inclosing the vitreous humor of the eye.

||Hy`a*lo*ne"ma (?), n. [NL., fr. Gr. "y`alos glass + &?; a thread.] ||(Zoˆl.) 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.

Hy*al"o*phane (?), n. [Gr. "y`alos glass + &?; to appear.] (Min.) A species of the feldspar group containing barium. See Feldspar.

||Hy`a*lo*spon"gi*a (?), n. pl. [NL., fr. Gr. "y`alos glass + &?; a ||sponge.] (Zoˆl.) An order of vitreous sponges, having glassy ||six-rayed, siliceous spicules; -- called also HexactinellinÊ.

Hy*al"o*type (?), n. [Gr. "y`alos glass + -type.] A photographic picture copied from the negative on glass; a photographic transparency. R. Hunt.

{ Hy*ber"na*cle (?), Hy"ber*nate (?), Hy`ber*na"tion (?). } See Hibernacle, Hibernate, Hibernation.

Hy*blÊ"an (?), a. [L. Hyblaeus.] Pertaining to Hybla, an ancient town of Sicily, famous for its bees.

Hyb"o*dont (?), a. [Gr. &?; hump + &?;, &?;, a tooth.] (Paleon.) 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.

||Hyb"o*dus (?), n. [NL. See Hybodont.] (Paleon.) An extinct genus of ||sharks having conical, compressed teeth.

Hy"brid (?), n. [L. hybrida, hibrida, prob. allied to Gr. &?; wantonness (as if unbridled, lawless, unnatural), perh. akin to Gr. "ype`r over, E. over: cf. F. hybride.] (Biol.) The offspring of the union of two distinct species; an animal or plant produced from the mixture of two species. See Mongrel.

Hy"brid, a. Produced from the mixture of two species; as, plants of hybrid nature.

Hy"brid*ism (?), n. The state or quality of being hybrid.

Hy"brid*ist, n. One who hybridizes.

Hy*brid"i*ty (?), n. Hybridism.

Hy"brid*i`za*ble (?), a. 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.

Hy`brid*i*za"tion (?), n. The act of hybridizing, or the state of being hybridized.

Hy"brid*i`ze (?), v. t. [imp. & p. p. Hybridized (?); p. pr. & vb. n. Hybridizing (?).] To render hybrid; to produce by mixture of stocks.

Hy"brid*i`zer (?), n. One who hybridizes.

Hy"brid*ous (?), a. Same as Hybrid.

Hyd"age (?), n. (Law) A land tax. See Hidage.

Hy`dan*to"ic (?), a. (Chem.) Pertaining to, or derived from, hydantoin. See Glycoluric.

Hy*dan"to*in (?), n. [Hydrogen + allantion.] (Chem.) A derivative of urea, C3H4N2O2, obtained from allantion, as a white, crystalline substance, with a sweetish taste; -- called also glycolyl urea.

Hy"da*tid (?), n. [Gr. &?;, &?;, a watery vesicle under the upper eyelid, fr. "y`dwr, "y`datos, water: cf. F. hydatide.] (Zoˆl.) 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 Cúnurus. 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 M¸llerian duct.

Hy*dat"i*form (?), a. [Hydatid + -form.] Resembling a hydatid.

Hy"da*toid (?), a. [Gr. "y`dwr, "y`datos, water + -oid.] (Anat.) Resembling water; watery; aqueous; hyaloid.

Hy"dr- (?). See under Hydro-.

Hy"dra (?), n.; pl. E. Hydras (#), L. HydrÊ (#). [L. hydra, Gr. "y`dra; akin to "y`dwr water. See Otter the animal, Water.] 1. (Class. Myth.) 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. (Zoˆl.) Any small fresh-water hydroid of the genus Hydra, usually found attached to sticks, stones, etc., by a basal sucker.

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

Hy*drach"nid (?), n. [Hydr- + arachnid.] (Zoˆl.) An aquatic mite of the genus Hydrachna. The hydrachnids, while young, are parasitic on fresh-water mussels.

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

Hy`dra*cryl"ic (?), a. [Hydr- + acrylic.] (Chem.) Pertaining to, or designating, an isomeric variety of lactic acid that breaks down into acrylic acid and water.

Hy`drac*tin"i*an (?), n. [See Hydra, and Actinia.] (Zoˆl.) 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.

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||Hy*drÊ"mi*a (h*dr"m*), n. [NL., fr. Gr. "y`dwr water + a"i^ma blood.] ||(Med.) An abnormally watery state of the blood; anÊmia.

Hy"dra*gogue (?), a. [L. hydragogus conveying off water, Gr. &?;; "y`dwr water + &?; to lead: cf. F. hydragogue.] (Med.) Causing a discharge of water; expelling serum effused into any part of the body, as in dropsy. -- n. A hydragogue medicine, usually a cathartic or diuretic.

Hy*dram"ide (?), n. [Hydr- + -amide.] (Chem.) One of a group of crystalline bodies produced by the action of ammonia on certain aldehydes.

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

Hy*dran"ge*a (?), n. [NL., fr. Gr. "y`dwr water + &?; vessel, capsule: cf. F. hydrangÈe.] (Bot.) 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.

Hy"drant (?), n. [Gr. &?; to irrigate, fr. "y`dwr water. See Hydra.] A discharge pipe with a valve and spout at which water may be drawn from the mains of waterworks; a water plug.

Hy"dranth (?), n. [Hydra + Gr. &?; a flower.] (Zoˆl.) One of the nutritive zooids of a hydroid colony. Also applied to the proboscis or manubrium of a hydroid medusa. See Illust. of Hydroidea.

Hy*drar"go*chlo"ride (?), n. [Hydrargyrum + chloride.] (Chem.) A compound of the bichloride of mercury with another chloride. [Obs.]

Hy*drar"gy*rate (?), a. Of or pertaining to mercury; containing, or impregnated with, mercury. [R.]

Hy*drar"gy*rism (?), n. (Med.) A diseased condition produced by poisoning with hydrargyrum, or mercury; mercurialism.

Hy*drar"gy*rum (-rm), n. [NL., fr. L. hydrargyrus, Gr. "ydra`rgyros; "y`dwr water + 'a`rgyros silver.] (Chem.) Quicksilver; mercury.

||Hy`drar*thro"sis (?), n. [NL. See Hydro-, 1, and Arthrosis.] (Med.) ||An effusion of watery liquid into the cavity of a joint.

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

Hy"dra-taint`ed (?), a. Dipped in the gall of the fabulous hydra; poisonous; deadly. Cowper.

Hy"drate (?), n. [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.

Hy"drate (?), v. t. [imp. & p. p. Hydrated (?); p. pr. & vb. n. Hydrating (?).] To form into a hydrate; to combine with water.

Hy"dra*ted (?), a. Formed into a hydrate; combined with water.

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

Hy*drau"lic (?), a. [F. hydraulique, L. hydraulicus, fr. Gr. &?;, &?;, a water organ; "y`dwr water + &?; flute, pipe. See Hydra.] 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.

Hy*drau"lic*al (?), a. Hydraulic.

Hy*drau"li*con (?), n. [NL. See Hydraulic.] (Mus.) An ancient musical instrument played by the action of water; a water organ. [Written also hydraulis.]

Hy*drau"lics (?), n. [Cf. F. hydraulique.] 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.

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.

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

Hy"dren*ceph"s*loid (?), a. [Hydrencephalus + -oid.] (Med.) Same as Hydrocephaloid.

||Hy"dri*a (?), n. [L., fr. Gr. &?;.] (Gr. Antiq.) 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.

Hy"dri*ad (?), n. [Gr. &?;, &?;, of the water, fr. "y`dwr water.] (Myth.) A water nymph.

Hy"dric (?), a. [From Hydrogen.] (Chem.) 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.

Hy"dride (?), n. [Hydr- + ide.] (Chem.) A compound of the binary type, in which hydrogen is united with some other element.

Hy"dri*form (?), a. [Hydra + -form.] (Zoˆl.) Having the form or structure of a hydra.

||Hy*dri"na (?), n. pl. [NL. See Hydra.] (Zoˆl.) The group of hydroids ||to which the fresh-water hydras belong.

Hy*dri"o*date (?), n. [Cf. F. hydriodate.] (Zoˆl.) Same as Hydriodide.