Chapter 102

Het"er*o*gene (?), a. Heterogenous. [Obs.]

Het`er*o*ge"ne*al (?), a. Heterogeneous.

Het`er*o*ge*ne"i*ty (?), n. [Cf. F. hÈtÈrogÈnÈitÈ.] The state of being heterogeneous; contrariety.

The difference, indeed the heterogeneity, of the two may be felt.

Coleridge.

Het`er*o*ge"ne*ous (?), a. [Gr. &?;; &?; + &?; race, kind; akin to E. kin: cf. F. hÈtÈrogËne.] Differing in kind; having unlike qualities; possessed of different characteristics; dissimilar; -- opposed to homogeneous, and said of two or more connected objects, or of a conglomerate mass, considered in respect to the parts of which it is made up. -- Het`er*o*ge"ne*ous*ly, adv. -- Het`er*o*ge"ne*ous*ness, n.

Heterogeneous nouns (Gram.), nouns having different genders in the singular and plural numbers; as, hic locus, of the masculine gender in the singular, and hi loci and hÊc loca, both masculine and neuter in the plural; hoc cÊlum, neuter in the singular; hi cÊli, masculine in the plural. -- Heterogeneous quantities (Math.), such quantities as are incapable of being compared together in respect to magnitude, and surfaces and solids. -- Heterogeneous surds (Math.), surds having different radical signs.

Het`er*o*gen"e*sis (?), n. [Hetero- + genesis.] 1. (Biol.) Spontaneous generation, so called.

2. (Biol.) That method of reproduction in which the successive generations differ from each other, the parent organism producing offspring different in habit and structure from itself, the original form, however, reappearing after one or more generations; -- opposed to homogenesis, or gamogenesis.

Het`er*o*ge*net"ic (?), a. (Biol.) Relating to heterogenesis; as, heterogenetic transformations.

Het`er*og"e*nist (?), n. (Biol.) One who believes in the theory of spontaneous generation, or heterogenesis. Bastian.

Het`er*og"e*nous (?), a. (Biol.) Of or pertaining to heterogenesis; heterogenetic.

Het`er*og"e*ny (?), n. (Biol.) Heterogenesis.

Het`er*og"o*nous (?), a. (Bot.) Characterized by heterogony. -- Het`er*og"o*nous*ly, adv.

Het`er*og"o*ny (?), n. [Hetero- + Gr. &?; offspring.] (Bot.) The condition of having two or more kinds of flowers, different as to the length of their stamens and pistils.

Het`er*o*graph"ic (?), a. [See Heterography.] Employing the same letters to represent different sounds in different words or syllables; -- said of methods of spelling; as, the ordinary English orthography is heterographic.

Het`er*og"ra*phy (?), n. [Hetero- + -graphy.] That method of spelling in which the same letters represent different sounds in different words, as in the ordinary English orthography; e. g., g in get and in ginger.

Het`er*og"y*nous (?), a. [Hetero- + Gr. &?; a woman, female.] (Zoˆl.) Having females very unlike the males in form and structure; -- as certain insects, the males of which are winged, and the females wingless.

Het`er*ol"o*gous (?), a. [Hetero- + Gr. &?; proportion.] Characterized by heterology; consisting of different elements, or of like elements in different proportions; different; -- opposed to homologous; as, heterologous organs.

Heterologous stimulus. (Physiol.) See under Stimulus. -- Heterologous tumor (Med.), a tumor differing in structure from the normal tissues of the body.

Het`er*ol"o*gy (?), n. [Hetero- + -logy.] 1. (Biol.) The absence of correspondence, or relation, in type of structure; lack of analogy between parts, owing to their being composed of different elements, or of like elements in different proportions; variation in structure from the normal form; -- opposed to homology.

2. (Chem.) The connection or relation of bodies which have partial identity of composition, but different characteristics and properties; the relation existing between derivatives of the same substance, or of the analogous members of different series; as, ethane, ethyl alcohol, acetic aldehyde, and acetic acid are in heterology with each other, though each in at the same time a member of a distinct homologous series. Cf. Homology.

||Het`e*rom"e*ra (?), n. pl. [NL., fr. Gr. &?; other + &?; part.] ||(Zoˆl.) A division of Coleoptera, having heteromerous tarsi.

Het`er*om"er*ous (?), a. [See Heteromera.] 1. (Chem & Crystallog.) Unrelated in chemical composition, though similar or indentical in certain other respects; as, borax and augite are homúmorphous, but heteromerous.

2. (Bot.) With the parts not corresponding in number.

3. (Zoˆl.) (a) Having the femoral artery developed as the principal artery of the leg; -- said of certain birds, as the cotingas and pipras. (b) Having five tarsal joints in the anterior and middle legs, but only four in the posterior pair, as the blister beetles and oil beetles.

Het`er*o*mor"phic (?), a. [Hetero- + Gr. &?; form.] (Biol.) Deviating from the normal, perfect, or mature form; having different forms at different stages of existence, or in different individuals of the same species; -- applied especially to insects in which there is a wide difference of form between the larva and the adult, and to plants having more than one form of flower.

{ Het`er*o*mor"phism (?), Het`er*o*mor"phy (?), } n. (Biol.) The state or quality of being heteromorphic.

Het`er*o*mor"phous (?), a. (Biol.) Heteromorphic.

||Het`e*ro*my*a"ri*a (?), n. pl. [NL., fr. Gr. &?; other + &?; a ||muscle.] (Zoˆl.) A division of bivalve shells, including the marine ||mussels, in which the two adductor muscles are very unequal. See ||Dreissena, and Illust. under Byssus.

||Het`e*ro*ne*re"is (?), n. [NL. See Hetero-, and Nereis.] (Zoˆl.) A ||free- swimming, dimorphic, sexual form of certain species of Nereis.

In this state the head and its appendages are changed in form, the eyes become very large; more or less of the parapodia are highly modified by the development of finlike lobes, and branchial lamellÊ, and their setÊ become longer and bladelike.

Het`er*on"o*mous (?), a. [Hetero- + Gr. no`mos law.] Subject to the law of another. Krauth-Fleming.

Het`er*on"o*my (?), n. 1. Subordination or subjection to the law of another; political subjection of a community or state; -- opposed to autonomy.

2. (Metaph.) A term applied by Kant to those laws which are imposed on us from without, or the violence done to us by our passions, wants, or desires. Krauth- Fleming.

Het"er*o*nym (?), n. That which is heteronymous; a thing having a different name or designation from some other thing; -- opposed to homonym.

Het`er*on"y*mous (?), a. [Hetero- + Gr. "o`nyma, for "o`noma a name.] Having different names or designations; standing in opposite relations. J. Le Conte.

-- Het"er*on"y*mous*ly, adv.

Het`er*o*ou`si*an (?), a. [Hetero- + Gr. &?; being, essence.] Having different essential qualities; of a different nature.

Het`er*o*ou"si*an (?), n. (Eccl. Hist.) One of those Arians who held that the Son was of a different substance from the Father.

Het`er*o*ou"si*ous (?), a. See Heteroousian.

Het`er*o*path"ic (?), a. [Hetero- + Gr. &?; suffering, fr. &?;, &?;, to suffer.] Of or pertaining to the method of heteropathy; allopathic.

Het`er*op"a*thy (?), n. [See Heteropathic.] (Med.) That mode of treating diseases, by which a morbid condition is removed by inducing an opposite morbid condition to supplant it; allopathy.

Het`er*o*pel"mous (?), a. [Hetero- + Gr. &?; the sole of the foot.] (Anat.) Having each of the two flexor tendons of the toes bifid, the branches of one going to the first and second toes; those of the other, to the third and fourth toes. See Illust. in Append.

||Het`e*roph"a*gi (?), n. pl. [NL., fr. Gr. &?; other + &?; to eat.] ||(Zoˆl.) Altrices.

Het`er*oph"e*mist (?), n. One liable to the fault of heterophemy.

Het`er*oph"e*my (?), n. [Hetero- + Gr. &?; voice, speech, fr. &?; to speak.] The unconscious saying, in speech or in writing, of that which one does not intend to say; -- frequently the very reverse of the thought which is present to consciousness. R. G. White.

Het`er*oph"o*ny (?), n. [Hetero- + Gr. &?; voice.] (Med.) An abnormal state of the voice. Mayne.

Het`er*oph"yl*lous (?), a. [Gr. &?; other + &?; leaf: cf. F. hÈtÈrophylle.] (Bot.) Having leaves of more than one shape on the same plant.

Het"er*o*plasm (?), n. [Hetero- + Gr. &?; anything formed or molded.] An abnormal formation foreign to the economy, and composed of elements different from those are found in it in its normal condition. Dunglison.

Het`er*o*plas"tic (?), a. [Hetero- + -plastic.] (Biol.) Producing a different type of organism; developing into a different form of tissue, as cartilage which develops into bone. Haeckel.

Het`er*o*pod (?), n. [Cf. F. hÈtÈropode.] (Zoˆl.) One of the Heteropoda. -- a. Heteropodous.

||Het`e*rop"o*da (?), n. pl. [NL., fr. Gr. &?; other + -poda.] (Zoˆl.) ||An order of pelagic Gastropoda, having the foot developed into a ||median fin. Some of the species are naked; others, as Carinaria and ||Atlanta, have thin glassy shells.

Het`er*op"o*dous (?), a. (Zoˆl.) Of or pertaining to the Heteropoda.

Het`er*op"ter (?), n. One of the Heteroptera.

||Het`e*rop"te*ra (?), n. pl. [NL., from Gr. &?; other + &?; a wing.] ||(Zoˆl.) A suborder of Hemiptera, in which the base of the anterior ||wings is thickened. See Hemiptera.

Het`er*op"tics (?), n. [Hetero- + optics.] False optics. Spectator.

Het`er*os"cian (?), n. [Gr. &?;; &?; other + &?; shadow: cf. F. hÈtÈroscien.] One who lives either north or south of the tropics, as contrasted with one who lives on the other side of them; -- so called because at noon the shadows always fall in opposite directions (the one northward, the other southward).

||Het`e*ro"sis (?), n. [NL., fr. Gr. &?; alteration, fr. &?; other, ||different.] (Rhet.) A figure of speech by which one form of a noun, ||verb, or pronoun, and the like, is used for another, as in the ||sentence: "What is life to such as me?" Aytoun.

||Het`e*ro*so"ma*ti (?), n. pl. [NL., fr. Gr. &?; other + &?;, &?;, ||body.] (Zoˆl.) An order of fishes, comprising the flounders, halibut, ||sole, etc., having the body and head asymmetrical, with both eyes on ||one side. Called also Heterosomata, Heterosomi.

{ Het`er*o*spor"ic (?), Het`er*o*spor"ous (?), } a. [Hetero- + spore.] (Bot.) Producing two kinds of spores unlike each other.

Het"er*o*styled (?), a. (Bot.) Having styles of two or more distinct forms or lengths. Darwin.

Het`er*o*sty"lism (?), n. (Bot.) The condition of being heterostyled.

Het`er*o*tac"tous (?), a. (Biol.) Relating to, or characterized by, heterotaxy.

Het"er*o*tax`y (?), n. [Hetero- + Gr. &?; an arrangement, fr. &?; to arrange.] (Biol.) Variation in arrangement from that existing in a normal form; heterogenous arrangement or structure, as, in botany, the deviation in position of the organs of a plant, from the ordinary or typical arrangement.

{ Het`er*ot"o*pism (?), Het`er*ot"o*py (?), } n. [Hetero- + Gr. &?; place: cf. F. hÈtÈrotopie.] 1. (Med.) A deviation from the natural position; -- a term applied in the case of organs or growths which are abnormal in situation.

2. (Biol.) A deviation from the natural position of parts, supposed to be effected in thousands of years, by the gradual displacement of germ cells.

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||Het`e*rot"ri*cha (?), n. pl. [NL., fr. Gr. &?; other + &?;, gen. &?;, ||a hair.] (Zoˆl.) A division of ciliated Infusoria, having fine cilia ||all over the body, and a circle of larger ones around the anterior ||end.

Het`er*ot"ro*pal (?), Het`er*ot"ro*pous (&?;), a. [Gr. "etero`tropos turning another way; &?; other + &?; to turn: cf. F. hÈtÈrotrope.] (Bot.) Having the embryo or ovule oblique or transverse to the funiculus; amphitropous. Gray.

He"thing (?), n. Contempt; scorn. [Obs.] Chaucer.

Het"man (?), n.; pl. Hetmans (#). [Pol. hetman. Cf. Ataman.] A Cossack headman or general. The title of chief hetman is now held by the heir to the throne of Russia.

Heugh (?), n. [Cf. Hogh.] 1. A crag; a cliff; a glen with overhanging sides. [Scot. & Prov. Eng.]

2. A shaft in a coal pit; a hollow in a quarry. [Scot.]

Heuk (?), n. Variant of Huke. [Obs.]

Heu"land*ite (?), n. [After Heuland, an English mineralogist.] (Min.) A mineral of the Zeolite family, often occurring in amygdaloid, in foliated masses, and also in monoclinic crystals with pearly luster on the cleavage face. It is a hydrous silicate of alumina and lime.

Heu*ris"tic (h*rs"tk), a. [Gr. e"yri`skein to discover.] Serving to discover or find out.

Hev"ed (?), n. The head. [Obs.] Chaucer.

Hew (h), v. t. [imp. Hewed (hd); p. p. Hewed or Hewn (hn); p. pr. & vb. n. Hewing.] [AS. he·wan; akin to D. houwen, OHG. houwan, G. hauen, Icel. hˆggva, Sw. hugga, Dan. hugge, Lith. kova battle, Russ. kovate to hammer, forge. Cf. Hay cut grass, Hoe.] 1. To cut with an ax; to fell with a sharp instrument; -- often with down, or off. Shak.

2. To form or shape with a sharp instrument; to cut; hence, to form laboriously; -- often with out; as, to hew out a sepulcher.

Look unto the rock whence ye are hewn.

Is. li. 1.

Rather polishing old works than hewing out new.

Pope.

3. To cut in pieces; to chop; to hack.

Hew them to pieces; hack their bones asunder.

Shak.

Hew, n. Destruction by cutting down. [Obs.]

Of whom he makes such havoc and such hew.

Spenser.

Hew, n. 1. Hue; color. [Obs.] Chaucer.

2. Shape; form. [Obs.] Spenser.

Hewe (?), n. [Cf. Hind a peasant.] A domestic servant; a retainer. [Obs.] "False homely hewe." Chaucer.

Hew"er (?), n. One who hews.

Hew"hole` (?), n. [Cf. Hickwall.] (Zoˆl.) The European green woodpecker. See Yaffle.

Hewn (?), a. 1. Felled, cut, or shaped as with an ax; roughly squared; as, a house built of hewn logs.

2. Roughly dressed as with a hammer; as, hewn stone.

Hex- (?), Hex"a (#). [Gr. "e`x six. See Six.] A prefix or combining form, used to denote six, sixth, etc.; as, hexatomic, hexabasic.

Hex`a*ba"sic (?), a. [Hexa- + basic.] (Chem.) Having six hydrogen atoms or six radicals capable of being replaced or saturated by bases; -- said of acids; as, mellitic acid is hexabasic.

Hex`a*cap"su*lar (?), a. [Hexa- + capsular.] (Bot.) Having six capsules or seed vessels.

Hex"a*chord (?), n. [Hexa- + Gr. &?; string, chord: cf. F. hexacorde.] (Mus.) A series of six notes, with a semitone between the third and fourth, the other intervals being whole tones.

Hex`ac"id (?), a. [Hex- + acid.] (Chem.) Having six atoms or radicals capable of being replaced by acids; hexatomic; hexavalent; -- said of bases; as, mannite is a hexacid base.

Hex*ac`ti*nel"lid (?), a. (Zoˆl.) Having six-rayed spicules; belonging to the HexactinellinÊ.

Hex*ac`ti*nel"line (?), a. [From NL. HexactinellinÊ, fr. Gr. "e`x six + a dim. of &?;, &?;, a ray.] (Zoˆl.) Belonging to the HexactinellinÊ, a group of sponges, having six-rayed siliceous spicules.

||Hex`ac*tin"i*a (?), n. pl. [NL. See Hex-, and Actinia.] (Zoˆl.) The ||Anthozoa.

Hex"ad (?), n. [L. hexas, hexadis, the number six, Gr. &?;, &?;, fr. "e`x six.] (chem.) An atom whose valence is six, and which can be theoretically combined with, substituted for, or replaced by, six monad atoms or radicals; as, sulphur is a hexad in sulphuric acid. Also used as an adjective.

Hex`a*dac"tyl*ous (?), a. [Gr. &?;; "e`x six + &?; finger: cf. F. hexadactyle.] (Zoˆl.) Having six fingers or toes.

Hex"ade (?), n. [See Hexad.] A series of six numbers.

Hex"a*dec`ane (?), n. (Chem.) See Hecdecane.

Hex"a*gon (?), n. [L. hexagonum, Gr. &?; six-cornered; "e`x six (akin to E. six) + &?; angle.] (Geom.) A plane figure of six angles.

Regular hexagon, a hexagon in which the angles are all equal, and the sides are also all equal.

Hex*ag"o*nal (?), a. [Cf. F. hexagonal.] Having six sides and six angles; six- sided.

Hexagonal system. (Crystal.) See under Crystallization.

Hex*ag"o*nal*ly, adv. In an hexagonal manner.

Hex*ag"o*ny (?), n. A hexagon. [Obs.] Bramhall.

||Hex`a*gyn"i*a (?), n. pl. [NL., fr. Gr. "e`x six + gynh^ a woman, ||female: cf. F. hexagynie.] (Bot.) A LinnÊan order of plants having ||six pistils.

Hex`a*gyn"i*an (?), Hex*ag"y*nous (&?;), a. [Cf. F. hexagyne.] (Bot.) Having six pistils.

Hex`a*he"dral (?), a. In the form of a hexahedron; having six sides or faces.

Hex`a*he"dron (?), n.; pl. E. Hexahedrons (#), L. Hexahedra (#). [Hexa- + Gr. &?; seat, base, fr. &?; to sit: cf. F. hexaËdre.] (Geom.) A solid body of six sides or faces.

Regular hexahedron, a hexagon having six equal squares for its sides; a cube.

Hex`a*hem"er*on (?), n. [NL., fr. Gr. "e`x six + &?; day; cf. L. hexaÎmeron, Gr. &?;.]

1. A term of six days. Good.

2. The history of the six day's work of creation, as contained in the first chapter of Genesis.

Hex*am"er*ous (?), a. [Hexa- + Gr.&?; part.] (Bot.) In six parts; in sixes.

Hex*am"e*ter (?), n. [L., fr. Gr. &?; of six meters; (sc. &?;) hexameter verse; "e`x six + &?; measure: cf. F. hexamËtre. See Six, and Meter.] (Gr. & Lat. Pros.) A verse of six feet, the first four of which may be either dactyls or spondees, the fifth must regularly be a dactyl, and the sixth always a spondee. In this species of verse are composed the Iliad of Homer and the ∆neid of Virgil. In English hexameters accent takes the place of quantity.

Leaped like the | roe when he | hears in the | woodland the | voice of the | huntsman.

Longfellow.

Strongly it | bears us a- | long on | swelling and | limitless | billows, Nothing be- | fore and | nothing be- | hind but the | sky and the | ocean.

Coleridge.

Hex*am"e*ter, a. Having six metrical feet, especially dactyls and spondees. Holland.

{ Hex`a*met"ric (?), Hex`a*met"ric*al (?), } a. Consisting of six metrical feet.

Hex*am"e*trist (?), n. One who writes in hexameters. "The Christian hexametrists." Milman.

||Hex*an"dri*a (?), n. pl. [NL., fr. Gr. "e`x six + &?;, &?;, a man, ||male: cf. F. hexandrie.] (Bot.) A LinnÊan class of plants having six ||stamens.

{ Hex*an"dri*an (?), Hex-an"drous (?), } a. [Cf. F. hexandre.] (Bot.) Having six stamens.

Hex"ane (?), n. [Gr. "e`x six.] (Chem.) Any one of five hydrocarbons, C6H14, of the paraffin series. They are colorless, volatile liquids, and are so called because the molecule has six carbon atoms.

Hex*an"gu*lar (?), a. [Hex- + angular. Cf. Sexangular.] Having six angles or corners.

Hex`a*pet"al*ous (?), a. [Hexa- + petal: cf. F. hexapÈtale.] (Bot.) Having six petals.

Hex*aph"yl*lous (?), a. [Hexa- + Gr. &?; a leaf: cf. F. hexaphylle.] (Bot.) Having six leaves or leaflets.

||Hex"a*pla (?), n. Etym. pl., but syntactically sing. [NL., fr. Gr. ||&?;, fr. &?;, contr. &?;, sixfold.] A collection of the Holy ||Scriptures in six languages or six versions in parallel columns; ||particularly, the edition of the Old Testament published by Origen, ||in the 3d century.

Hex"a*pod (?), a. [Gr. &?;, &?;, sixfooted; "e`x six + &?;, &?;, foot: cf. F. hexapode.] Having six feet. -- n. (Zoˆl.) An animal having six feet; one of the Hexapoda.

||Hex*ap"o*da (?), n. pl. [NL., fr. Gr. "e`x six + -poda.] (Zoˆl.) The ||true, or six-legged, insects; insects other than myriapods and ||arachnids.

The Hexapoda have the head, thorax, and abdomen differentiated, and are mostly winged. They have three pairs of mouth organs, viz., mandibles, maxillÊ, and the second maxillÊ or labial palpi; three pairs of thoracic legs; and abdominal legs, which are present only in some of the lowest forms, and in the larval state of some of the higher ones. Many (the Metabola) undergo a complete metamorphosis, having larvÊ (known as maggots, grubs, caterpillars) very unlike the adult, and pass through a quiescent pupa state in which no food is taken; others (the Hemimetabola) have larvÊ much like the adult, expert in lacking wings, and an active pupa, in which rudimentary wings appear. See Insecta. The Hexapoda are divided into several orders.

Hex*ap"o*dous (?), a. (Zoˆl.) Having six feet; belonging to the Hexapoda.

Hex*ap"ter*ous (?), a. [Hexa- + Gr. &?; wing.] (Bot.) Having six processes. Gray.

{ Hex"a*stich (?), ||Hex*as"ti*chon (?), } n. [L. hexastichus of six rows, lines, or verses, Gr. &?;; "e`x six + sti`chos row, line, verse.] A poem consisting of six verses or lines.

Hex"a*style (?), a. [Gr. &?; with six columns; "e`x six + column: cf. F. hexastyle.] (Arch.) Having six columns in front; -- said of a portico or temple. -- n. A hexastyle portico or temple.

Hex"a*teuch` (?), n. [Hexa- + &?; a tool, a book.] The first six books of the Old Testament.

Hex`a*tom"ic (?), a. [Hex- + atomic.] (Chem.) (a) Having six atoms in the molecule. [R.] (b) Having six replaceable radicals.

Hex*av"a*lent (?), a. [Hexa- + L. valens, -entis, p. pr. See Valence.] (Chem.) Having a valence of six; -- said of hexads.

Hex"de*cyl (?), n. [Hex- + decyl.] (Chem.) The essential radical, C16H33, of hecdecane.

Hex`de*cyl"ic (?), a. (Chem.) Pertaining to, or derived from, hexdecyl or hecdecane; as, hexdecylic alcohol.

Hex*ei"ko*sane (?), n. [Hex- + eikosane.] (chem.) A hydrocarbon, C26H54, resembling paraffine; -- so called because each molecule has twenty-six atoms of carbon. [Written also hexacosane.]

Hex"ene (?), n. [Gr. "e`x six.] (Chem.) Same as Hexylene.

Hex`i*col"ogy (?), n. [Gr. &?; state or habit + -logy.] The science which treats of the complex relations of living creatures to other organisms, and to their surrounding conditions generally. St. George Mivart.

Hex"ine (?), n. [Gr. "e`x six.] (Chem.) A hydrocarbon, C6H10, of the acetylene series, obtained artificially as a colorless, volatile, pungent liquid; -- called also hexoylene.

Hex*oc`ta*he"dron (?), n. [Hex- + octahedron.] (Geom.) A solid having forty-eight equal triangular faces.

Hex*o"ic (?), a. (Chem.) Pertaining to, or derived from, hexane; as, hexoic acid.

Hex"one (?), n. [Hex- + - one.] (Chem.) A liquid hydrocarbon, C6H8, of the valylene series, obtained from distillation products of certain fats and gums.

Hex"yl (?), n. [Hex- + - yl.] (chem.) A compound radical, C6H13, regarded as the essential residue of hexane, and a related series of compounds.

Hex"yl*ene (?), n. [Hex- + - yl + ethlene.] (Chem.) A colorless, liquid hydrocarbon, C6H12, of the ethylene series, produced artificially, and found as a natural product of distillation of certain coals; also, any one several isomers of hexylene proper. Called also hexene.

Hex*yl"ic (?), a. (chem.) Pertaining to, or derived from, hexyl or hexane; as, hexylic alcohol.

Hey (?), a. [See High.] High. [Obs.] Chaucer.

Hey (?), interj. [OE. hei; cf. D. & G. hei.] 1. An exclamation of joy, surprise, or encouragement. Shak.

2. A cry to set dogs on. Shak.

Hey"day` (?), interj. [Cf. G. heida, or hei da, D. hei daar. Cf. Hey, and There.] An expression of frolic and exultation, and sometimes of wonder. B. Jonson.

Hey"day` (?), n. [Prob. for. high day. See High, and Day.] The time of triumph and exultation; hence, joy, high spirits, frolicsomeness; wildness.

The heyday in the blood is tame.

Shak.

In the heyday of their victories.

J. H. Newman.

Hey"de*guy (?), n. [Perh. fr. heyday + guise.] A kind of country-dance or round. [Obs.] Spenser.

Heyh, Heygh (&?;), a. High. [Obs.] Chaucer.

Heyne (?), n. [AS. he·n low, mean.] A wretch; a rascal. [Obs.] Chaucer.

Hey"ten (?), adv. [Icel. h&?;&?;an.] Hence. [Obs.] Chaucer.

Hi*a"tion (?), n. [See Hiatus.] Act of gaping. [Obs.] Sir T. Browne.

Hi*a"tus (?), n.; pl. L. Hiatus, E. Hiatuses (#). [L., fr. hiare, hiatum, to gape; akin to E. yawn. See Yawn.] 1. An opening; an aperture; a gap; a chasm; esp., a defect in a manuscript, where some part is lost or effaced; a space where something is wanting; a break.

2. (Gram.) The concurrence of two vowels in two successive words or syllables. Pope.

Hi*ber"na*cle (?), n. [L. hibernaculum a winter residence, pl. hibernacula winter quarters: cf. F. hibernacle. See Hibernate.] That which serves for protection or shelter in winter; winter quarters; as, the hibernacle of an animal or a plant. Martyn.