HYDROPERITONEUMHy`dro*per`i*to*ne"um, n. Etym: [NL. See Hydro-, and Peritoneum.](Med.)
Defn: Same as Ascites.
HYDROPHANEHy"dro*phane, n. Etym: [Hydro-, 1 + Gr. hydrophane.] (Min.)
Defn: A semitranslucent variety of opal that becomes translucent or transparent on immersion in water.
HYDROPHANOUSHy*droph"a*nous, a. (Min.)
Defn: Made transparent by immersion in water.
HYDROPHIDHy"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.
HYDROPHLORONEHy`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.]
HYDROPHOBICHy`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.
HYDROPHOBYHy"dro*pho`by, n.
Defn: See Hydrophobia.
HYDROPHORAHy*droph"o*ra, n. pl. Etym: [NL., fr. E. hydra + Gr. (Zoöl.)
Defn: The Hydroidea.
HYDROPHOREHy"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.
HYDROPHYLLIUMHy`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.
HYDROPHYTEHy"dro*phyte, n. Etym: [Gr. hydrophyte.]
Defn: An aquatic plant; an alga.
HYDROPHYTOLOGYHy*droph`y*tol"o*gy, n. Etym: [Hydro- + phyte + -logy.]
Defn: The branch of botany which treats of water plants.
HYDROPIC; HYDROPICALHy*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.
HYDROPICALLYHy*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.
HYDROPLANEHy"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.
HYDROPLANEHy"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 CARRIAGEHy`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.
HYDROPSYHy"drop`sy, n.
Defn: Same as Dropsy.
HYDROPULTHy"dro*pult, n. Etym: [Hydro-, 1 + Gr.
Defn: A machine for throwing water by hand power, as a garden engine, a fire extinguisher, etc.
HYDROQUINONEHy`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.
HYDRORHIZAHy`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.
HYDROSCOPEHy"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.
HYDROSORBICHy`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.
HYDROSPHEREHy"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.
HYDROSTATHy"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.
HYDROSTATICALLYHy`dro*stat"ic*al*ly, adv.
Defn: According to hydrostatics, or to hydrostatic principles.Bentley.
HYDROSTATICIANHy`dro*sta*ti"cian, n.
Defn: One who is versed or skilled in hydrostatics. [R.]
HYDROSTATICSHy`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.
HYDROSULPHATEHy`dro*sul"phate, n. (Chem.)
Defn: Same as Hydrosulphurent.
HYDROSULPHIDEHy`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.
HYDROSULPHITEHy`dro*sul"phite, n. (Chem.)
Defn: A saline compound of hydrosulphurous acid and a base. [R.]
HYDROSULPHURETHy`dro*sul"phu*ret, n. (Chem.)
Defn: A hydrosulphide. [Archaic]
HYDROSULPHURETEDHy`dro*sul"phu*ret`ed, a. (Chem.)
Defn: Combined with hydrogen sulphide.
HYDROSULPHURICHy`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.
HYDROSULPHUROUSHy`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.
HYDROTELLURATEHy`dro*tel"lu*rate, n. (Chem.)
Defn: A salt formed by the union of hydrotelluric acid and the base.
HYDROTELLURICHy`dro*tel*lu"ric, a. Etym: [Hydro-, 2 + telluric.] (Chem.)
Defn: Formed by hydrogen and tellurium; as, hydrotelluric acid, or hydrogen telluride.
HYDROTHECAHy`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.
HYDROTHERAPEUTICSHy`dro*ther`a*peu"tics, n. [Hydro-, 1 + therapeutics.] (Med.)
Defn: A system of treating disease by baths and mineral waters.
HYDROTHERAPYHy`dro*ther"a*py, n. Etym: [Hydro-, 1 + therapy.] (Med.)
Defn: See Hydropathy.
HYDROTHERMALHy`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.
HYDROTHORAXHy`dro*tho"rax, n. Etym: [Hydro-, 1 + thorax.] (Med.)
Defn: An accumulation of serous fluid in the cavity of the chest.
HYDROTICHy*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.
HYDROTICALHy*drot"ic*al, a.
Defn: Hydrotic.
HYDROTROPEHy"dro*trope, n. Etym: [Hydro-, 1 + Gr.
Defn: A device for raising water by the direct action of steam; a pulsometer.
HYDROTROPICHy`dro*trop"ic, a. Etym: [See Hydrotrope.] (Bot.)
Defn: Turning or bending towards moisture, as roots.
HYDROTROPISMHy*drot"ro*pism, n. (Bot.)
Defn: A tendency towards moisture.
HYDROUSHy"drous, a. Etym: [Gr. "y`dwr water.]
1. Containing water; watery.
2. (Chem.)
Defn: Containing water of hydration or crystallization.
HYDROXANTHANEHy`dro*xan"thane, n. (Chem.)
Defn: A persulphocyanate. [Obs.]
HYDROXANTHICHy`dro*xan"thic, a. Etym: [Hydro-, 2 + xanthic.] (Chem.)
Defn: Persulphocyanic.
HYDROXIDEHy*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.
HYDROXYLHy*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.
HYDROXYLAMINEHy*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.
HYDROZOAHy`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.
HYDROZOALHy`dro*zo"al, a. (Zoöl.)
Defn: Of or pertaining to the Hydrozoa.
HYDROZOON; HYDROZOOENHy`dro*zo"ön, n.; pl. L. Hydrozoa, E. Hydrozoöns. Etym: [NL.] (Zoöl.)
Defn: One of the Hydrozoa.
HYDRURETHy"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.
HYEHye, 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.
HYEMATEHy"e*mate, v. i. Etym: [L. hiemare, hiematum. See Hyemal.]
Defn: To pass the winter. [Obs. & R.]
HYEMATIONHy`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.]
HYENHy"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 threeliving 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.
HYETALHy"e*tal, a. Etym: [Gr.
Defn: Of or pertaining to rain; descriptive of the distribution of rain, or of rainy regions.
HYETOGRAPHHy"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.
HYETOGRAPHICHy`e*to*graph"ic, a.
Defn: Of or pertaining to to hyetography.
HYETOGRAPHYHy`e*tog"ra*phy, n.
Defn: The branch of physical science which treats of the geographical distribution of rain.
HYETOLOGYHy`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.
HYGEIAHy*ge"ia, n. Etym: [L. Hygea, Hygia, fr. Gr. (Classic Myth.)
Defn: The goddess of health, daughter of Esculapius.
HYGEIANHy*ge"ian, a.
Defn: Relating to Hygeia, the goddess of health; of or pertaining to health, or its preservation.
HYGEISTHy"ge*ist, n.
Defn: One skilled in hygiena; a hygienist.
HYGIEISTHy"gie*ist, n.
Defn: A hygienist.
HYGIENEHy"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.
HYGIENICHy`gi*en"ic, a. Etym: [Cf. F. hygiénique.]
Defn: Of or pertaining to health or hygiene; sanitary.
HYGIENICSHy`gi*en"ics, n.
Defn: The science of health; hygiene.
HYGIENISMHy"gi*en*ism, n.
Defn: Hygiene.
HYGIENISTHy"gi*en*ist, n.
Defn: One versed in hygiene.
HYGIOLOGYHy`gi*ol"o*gy, n. Etym: [Gr. -logy.]
Defn: A treatise on, or the science of, the preservation of health.[R.]
HYGRINEHy"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.
HYGRODEIKHy"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.
HYGROGRAPHHy"gro*graph, n. Etym: [Gr. -graph.] (Physics)
Defn: An instrument for recording automatically the variations of the humidity of the atmosphere.
HYGROLOGYHy*grol"o*gy, n. Etym: [Gr. -logy: cf. F. hygrologie.] (Med.)
Defn: The science which treats of the fluids of the body.
HYGROMETERHy*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; HYGROMETRICALHy`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.
HYGROMETRYHy*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.
HYGROPHANOUSHy*groph"a*nous, a. Etym: [Gr.
Defn: Having such a structure as to be diaphanous when moist, and opaque when dry.
HYGROPHTHALMICHy`groph*thal"mic, a. Etym: [Gr. ophthalmic.] (Anat.)
Defn: Serving to moisten the eye; — sometimes applied to the lachrymal ducts.
HYGROPLASMHy"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.
HYGROSCOPEHy"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.
HYGROSCOPICHy`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.
HYGROSCOPICITYHy`gro*sco*pic"i*ty, n. (Bot.)
Defn: The property possessed by vegetable tissues of absorbing or discharging moisture according to circumstances.
HYGROSTATICSHy`gro*stat"ics, n. Etym: [Gr. Statics.]
Defn: The science or art of comparing or measuring degrees of moisture. Evelyn.
HYKEHyke, 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; HYLAEOSAURUSHy"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.
HYLARCHICALHy*lar"chi*cal, a. Etym: [Gr. hylarchique. See Archical.]
Defn: Presiding over matter. [Obs.] Hallywell.
HYLEOSAURHy"le*o*saur", n.
Defn: Same as Hylæosaur.
HYLICHyl"ic, a.
Defn: Of or pertaining to matter; material; corporeal; as, hylic influences.
HYLICISTHy"li*cist, n. Etym: [Gr.
Defn: A philosopher who treats chiefly of matter; one who adopts or teaches hylism.
HYLISMHy"lism, n. Etym: [Gr. (Metaph.)
Defn: A theory which regards matter as the original principle of evil.
HYLOBATEHy"lo*bate, n. Etym: [Gr. (Zoöl.)
Defn: Any species of the genus Hylobates; a gibbon, or long-armed ape. See Gibbon.
HYLODESHy*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.
HYLOISMHy"lo*ism, n.
Defn: Same as Hylotheism.
HYLOISTHy"lo*ist, n. Etym: [Gr.
Defn: Same as Hylotheist.
HYLOPATHISMHy*lop"a*thism, n. Etym: [Gr.
Defn: The doctrine that matter is sentient. Krauth-Fleming.
HYLOPATHISTHy*lop"a*thist, n.
Defn: One who believes in hylopathism.
HYLOPHAGOUSHy*loph"a*gous, a. Etym: [Gr. (Zoöl.)
Defn: Eating green shoots, as certain insects do.
HYLOTHEISMHy"lo*the*ism, n. Etym: [Gr.
Defn: The doctrine of belief that matter is God, or that there is noGod except matter and the universe; pantheism. See Materialism.
HYLOTHEISTHy"lo*the*ist, n.
Defn: One who believes in hylotheism.
HYLOZOICHy`lo*zo"ic, a.
Defn: Of or pertaining to hylozoism.
HYLOZOISMHy`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.
HYLOZOISTHy`lo*zo"ist, n.
Defn: A believer in hylozoism. A. Tucker.
HYMARHy*mar", n. (Zoöl.)
Defn: The wild ass of Persia.
HYMENHy"men, n. Etym: [Gr. (Anat.)
Defn: A fold of muscous membrane often found at the orifice of the vagina; the vaginal membrane.
HYMENHy"men, n. Etym: [L., fr. Gr.
1. (Class Myth.)
Defn: A fabulous deity; according to some, the son of Apollo andUrania, according to others, of Bacchus and Venus. He was the god ofmarriage, and presided over nuptial solemnities.Till Hymen brought his love-delighted hour, There dwelt no joy inEden'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; HYMENEANHy`me*ne"al, Hy`me*ne"an, n.
Defn: A marriage song. Milton.
HYMENIUMHy*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.
HYMENOGENYHy`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.
HYMENOMYCETESHy`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.
HYMENOPHOREHy*men"o*phore, n. Etym: [Gr. (Bot.)
Defn: That part of a fungus which is covered with the hymenium.
HYMENOPTERHy`me*nop"ter, n. Etym: [Cf. F. hyménoptère.] (Zoöl.)
Defn: One of the Hymenoptera.
HYMENOPTERAHy`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; HYMENOPTEROUSHy`me*nop"ter*al, Hy`me*nop"ter*ous, a. (Zoöl.)
Defn: Like, or characteristic of, the Hymenoptera; pertaining to theHymenoptera.
HYMENOPTERANHy`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.
HYMNHymn, 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; tosing.To hymn the bright of the Lord. Keble.Their praise is hymned by loftier harps than mine. Byron.
HYMNHymn, v. i.
Defn: To sing in praise or adoration. Milton.
HYMNALHym"nal, n.
Defn: A collection of hymns; a hymn book.
HYMNICHym"nic, a. Etym: [Cf. F. hymnique.]
Defn: Relating to hymns, or sacred lyrics. Donne.
HYMNINGHymn"ing, a.
Defn: Praising with hymns; singing. "The hymning choir." G. West.
HYMNINGHymn"ing, n.
Defn: The singing of hymns. Milton.
HYMNISTHym"nist, n.
Defn: A writer of hymns.
HYMNODYHym"no*dy, n. Etym: [Gr.
Defn: Hymns, considered collectively; hymnology.
HYMNOGRAPHERHym*nog"ra*pher, n.
1. One who writes on the subject of hymns.
2. A writer or composed of hymns.
HYMNOGRAPHYHym*nog"ra*phy, n. Etym: [Gr. graphy.]
Defn: The art or act of composing hymns.
HYMNOLOGISTHym*nol"o*gist, n.
Defn: A composer or compiler of hymns; one versed in hymnology.Busby.
HYMNOLOGYHym*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.
HYMPNEHymp"ne, n.
Defn: A hymn. [Obs.] Chaucer.
HYNDRESTEHynd"reste, a.
Defn: See Hinderest. [Obs.]
HYNEHyne, 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.
HYOGANOIDEIHy`o*ga*noi"de*i, n. pl. Etym: [NL. See Hyo-, and Canoidei.] (Zoöl.)
Defn: A division of ganoid fishes, including the gar pikes andbowfins.— 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.
HYOGLOSSUSHy`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.
HYOIDHy"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.
HYOIDHy"oid, n.
Defn: The hyoid bone.
HYOIDEAL; HYOIDEANHy*oid"e*al, Hy*oid"e*an, a.
Defn: Same as Hyoid, a.
HYOMANDIBULARHy`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.
HYOMENTALHy`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.
HYOPASTRONHy`o*pas"tron, n. Etym: [Hyo- + plastron.] (Zoöl.)
Defn: The second lateral plate in the plastron of turtles; — called also hyosternum.
HYOSCINEHy*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.
HYOSCYAMINEHy`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.
HYOSCYAMUSHy`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.
HYOSTERNUMHy`o*ster"num, n. Etym: [Hyo- + sternum.] (Anat.)
Defn: See Hyoplastron.
HYOSTYLICHy`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.
HYPHyp, n.
Defn: An abbreviation of hypochonaria; — usually in plural.[Colloq.]Heaven send thou hast not got the hyps. Swift.
HYPHyp, 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.
HYPALLAGEHy*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.
HYPALLELOMORPHHyp`al*le"lo*morph, n.
Defn: See Allelomorph.
HYPANTHIUMHy*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.
HYPAPOPHYSISHy`pa*poph"y*sis, n.; pl. Hypapophyles. Etym: [NL. See Hypo-, andApophysis.] (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.
HYPARTERIALHy`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.
HYPASPISTHy*pas"pist, n. Etym: [Gr. (Gr. Antiq.)
Defn: A shield-bearer or armor-bearer. Mitford.
HYPAXIALHy*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-.
HYPERAEMIAHy`per*æ"mi*a, n. Etym: [NL., fr. Gr. (Med.)
Defn: A superabundance or congestion of blood in an organ or part ofthe body. Active hyperæmia, cognestion d%ue to increased flow ofblood to a part.— Passive hyperæmia, interchange due to obstruction in the returnof blood from a part.— Hy`per*æ"mic, a.
HYPERAESTHESIAHy`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 ofa vertebra.— Hy`per*ap`o*phys"i*al, a.
HYPERASPISTHy`per*as"pist, n. Etym: [Gr.
Defn: One who holds a shield over another; hence, a defender. [Obs.]Chillingworth.
HYPERBATICHy`per*bat"ic, a.
Defn: Of or pertaining to an hyperbaton; transposed; inverted.
HYPERBATONHy*per"ba*ton, n. Etym: [L., fr. Gr. (Gram.)
Defn: A figurative construction, changing or inverting the naturalorder of words or clauses; as, "echoed the hills" for "the hillsechoed."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.
HYPERBOLEHy*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.
HYPERBOLICALLYHy`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.
HYPERBOLIFORMHy`per*bol"i*form, a. Etym: [Hyperbola + -form.]
Defn: Having the form, or nearly the form, of an hyperbola.
HYPERBOLISMHy*per"bo*lism, n. Etym: [Cf. F. hyperbolisme.]
Defn: The use of hyperbole. Jefferson.
HYPERBOLISTHy*per"bo*list, n.
Defn: One who uses hyperboles.
HYPERBOLIZEHy*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.
HYPERBOLIZEHy*per"bo*lize, v. t.
Defn: To state or represent hyperbolically. Fotherby.
HYPERBOLOIDHy*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.
HYPERBOLOIDHy*per"bo*loid, a. (Geom.)
Defn: Having some property that belongs to an hyperboloid or hyperbola.
HYPERBOREANHy`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).
HYPERBOREANHy`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.
HYPERCARBURETEDHy`per*car"bu*ret`ed, a. (Chem.)
Defn: Having an excessive proportion of carbonic acid; — said of bicarbonates or acid carbonates. [Written also hypercarburetted.]
HYPERCATALECTICHy`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.
HYPERCHLORICHy`per*chlo"ric, a. (Chem.)
Defn: See Perchloric.
HYPERCHROMATISMHy`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.
HYPERCRITICHy`per*crit"ic, a.
Defn: Hypercritical.
HYPERCRITICALHy`per*crit"ic*al, a.
1. Over critical; unreasonably or unjustly critical; carping; captious. "Hypercritical readers." Swift.
2. Excessively nice or exact. Evelyn.
HYPERCRITICALLYHy`per*crit"ic*al*ly, adv.
Defn: In a hypercritical manner.
HYPERCRITICISEHy`per*crit"i*cise, v. t.
Defn: To criticise with unjust severity; to criticise captiously.
HYPERCRITICISMHy`per*crit"i*cism, n.
Defn: Excessive criticism, or unjust severity or rigor of criticism; zoilism.
HYPERDICROTICHy`per*di*crot"ic, a. (Physiol.)
Defn: Excessive dicrotic; as, a hyperdicrotic pulse.
HYPERDICROTISMHy`per*di"cro*tism, n. (Physiol.)
Defn: A hyperdicrotic condition.
HYPERDICROTOUSHy`per*di"cro*tous, a. (Physiol.)
Defn: Hyperdicrotic.
HYPERDULIAHy`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.
HYPERDULYHy"per*du`ly, n.
Defn: Hyperdulia. [Obs.]
HYPERESTHESIAHy`per*es*the"si*a, n.
Defn: Same as Hyperæsthesia.
HYPERICUMHy*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.
HYPERINOSISHy`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.
HYPERIONHy*pe"ri*on, n. Etym: [L., fr. Gr. (Class Myth.)
Defn: The god of the sun; in the later mythology identified withApollo, and distinguished for his beauty.So excellent a king; that was, to this, Hyperion to a satyr. Shak.
HYPERKINESISHy`per*ki*ne"sis, n. Etym: [NL., fr. Gr. (Med.)
Defn: Abnormally increased muscular movement; spasm.
HYPERKINETICHy`per*ki*net"ic, a.
Defn: Of or pertaining to hyperkinesis.
HYPERMETAMORPHOSISHy`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.
HYPERMETERHy*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.
HYPERMETRICALHy`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.
HYPERMYRIORAMAHy`per*myr`i*o*ra"ma, n. Etym: [NL., fr. Gr.
Defn: A show or exhibition having a great number of scenes or views.
HYPERNOEAHy`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.
HYPEROARTIAHy`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.
HYPEROPIAHy`per*o"pi*a, n. Etym: [NL., fr. Gr.
Defn: Hypermetropia.— Hy`per*op"tic, a.
HYPERORGANICHy`per*or*gan"ic, a. Etym: [Pref. hyper- + organic.]
Defn: Higher than, or beyond the sphere of, the organic. Sir W.Hamilton.
HYPERORTHODOXYHy`per*or"tho*dox`y, n.
Defn: Orthodoxy pushed to excess.
HYPEROTRETAHy`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.]
HYPEROXIDEHy`per*ox"ide, n. (Chem.)
Defn: A compound having a relatively large percentage of oxygen; a peroxide. [Obs.]
HYPEROXYGENATED; HYPEROXYGENIZEDHy`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.]
HYPEROXYMURIATEHy`per*ox`y*mu"ri*ate, n. (Chem.)
Defn: A perchlorate. [Obs.]
HYPEROXYMURIATICHy`per*ox`y*mu`ri*at"ic, a. (Chem.)
Defn: Perchloric; as, hyperoxymuriatic acid. [Obs.]
HYPERPHYSICALHy`per*phys"ic*al, a.
Defn: Above or transcending physical laws; supernatural.Those who do not fly to some hyperphysical hypothesis. Sir W.Hamilton.
HYPERPLASIAHy`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.
HYPERPLASTICHy`per*plas"tic, a.
1. Of or pertaining to hyperplasia.
2. (Biol.)
Defn: Tending to excess of formative action.
HYPERPYREXIAHy`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.
HYPERSECRETIONHy`per*se*cre"tion, n. (Med.)
Defn: Morbid or excessive secretion, as in catarrh.
HYPERSENSIBILITYHy`per*sen`si*bil"i*ty, n.
Defn: See Hyperæsthesia.
HYPERSPACEHy"per*space, n. Etym: [Pref. hyper- + space.] (Geom.)
Defn: An imagined space having more than three dimensions.
HYPERSTHENEHy"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.
HYPERSTHENICHy`per*sthen"ic, a. (Min.)
Defn: Composed of, or containing, hypersthene.
HYPERTHETICALHy`per*thet"ic*al, a. Etym: [Gr.
Defn: Exaggerated; excessive; hyperbolical. [Obs.]Hyperthetical or superlative . . . expression. Chapman.
HYPERTHYRIONHy`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.
HYPERTROPHIEDHy*per"tro*phied, a. (Med. & Biol.)
Defn: Excessively developed; characterized by hypertrophy.
HYPERTROPHYHy*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.
HYPHAEHy"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.
HYPHENHy"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.
HYPHENHy"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.
HYPHENATEDHy"phen*a`ted, a.
Defn: United by hyphens; hyphened; as, a hyphenated or hyphened word.
HYPHOMYCETESHy`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.
HYPIDIOMORPHICHy*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.