Chapter 731

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 h\'91c loca , both masculine and neuter in the plural; hoc c\'91lum , neuter in the singular; hi c\'91li , 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.

Heterogenesis <Xpage=690>

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 .

Heterogenetic <Xpage=690>

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

Heterogenist <Xpage=690>

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

Bastian.

Heterogenous <Xpage=690>

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

Heterogeny <Xpage=690>

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

Heterogonous <Xpage=690>

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

Heterogony <Xpage=690>

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.

Heterographic <Xpage=690>

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 .

Heterography <Xpage=690>

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 .

Heterogynous <Xpage=690>

Het`er*og"y*nous (?) , a. [ Hetero- + Gr. <?/ a woman, female.] (Zo\'94l.) Having females very unlike the males in form and structure; -- as certain insects, the males of which are winged, and the females wingless.

Heterologous <Xpage=690>

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.

Heterology <Xpage=690>

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 .

Heteromera <Xpage=690>

Het`e*rom"e*ra (?) , n. pl. [NL., fr. Gr. <?/ other + <?/ part.] (Zo\'94l.) A division of Coleoptera, having heteromerous tarsi.

Heteromerous <Xpage=690>

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 hom\'d2morphous, but heteromerous .

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

3. (Zo\'94l.) (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.

Heteromorphic <Xpage=690>

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.

Heteromorphism, Heteromorphy <Xpage=690>

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

Heteromorphous <Xpage=690>

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

Heteromyaria <Xpage=690>

Het`e*ro*my*a"ri*a (?) , n. pl. [NL., fr. Gr. <?/ other + <?/ a muscle.] (Zo\'94l.) A division of bivalve shells, including the marine mussels, in which the two adductor muscles are very unequal. See Dreissena , and Illust . under Byssus .

Heteronereis <Xpage=690>

Het`e*ro*ne*re"is (?) , n. [NL. See Hetero- , and Nereis .] (Zo\'94l.) A free-swimming, dimorphic, sexual form of certain species of Nereis.

&hand; 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 lamell\'91, and their set\'91 become longer and bladelike.

Heteronomous <Xpage=690>

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

Krauth-Fleming.

Heteronomy <Xpage=690>

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.

Heteronym <Xpage=690>

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

Heteronymous <Xpage=690>

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.

Heteroousian <Xpage=690>

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

Heteroousian <Xpage=690>

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.

Heteroousious <Xpage=690>

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

Heteropathic <Xpage=690>

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

Heteropathy <Xpage=690>

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.

Heteropelmous <Xpage=690>

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.

Heterophagi <Xpage=690>

Het`e*roph"a*gi (?) , n. pl. [NL., fr. Gr. <?/ other + <?/ to eat.] (Zo\'94l.) Altrices.

Heterophemist <Xpage=690>

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

Heterophemy <Xpage=690>

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. <-- Freudian slip -->

R. G. White.

Heterophony <Xpage=690>

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

Mayne.

Heterophyllous <Xpage=690>

Het`er*oph"yl*lous (?) , a. [Gr. <?/ other + <?/ leaf: cf. F. h\'82t\'82rophylle .] (Bot.) Having leaves of more than one shape on the same plant.

Heteroplasm <Xpage=690>

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.

Heteroplastic <Xpage=690>

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.

Heteropod <Xpage=690>

Het`er*o*pod (?) , n. [Cf. F. h\'82t\'82ropode .] (Zo\'94l.) One of the Heteropoda. -- a. Heteropodous.

Heteropoda <Xpage=690>

Het`e*rop"o*da (?) , n. pl. [NL., fr. Gr. <?/ other + -poda .] (Zo\'94l.) 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.

Heteropodous <Xpage=690>

Het`er*op"o*dous (?) , a. (Zo\'94l.) Of or pertaining to the Heteropoda.

Heteropter <Xpage=690>

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

Heteroptera <Xpage=690>

Het`e*rop"te*ra (?) , n. pl. [NL., from Gr. <?/ other + <?/ a wing.] (Zo\'94l.) A suborder of Hemiptera, in which the base of the anterior wings is thickened. See Hemiptera .

Heteroptics <Xpage=690>

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

Spectator.

Heteroscian <Xpage=690>

Het`er*os"cian (?) , n. [Gr. <?/; <?/ other + <?/ shadow: cf. F. h\'82t\'82roscien .] 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).

Heterosis <Xpage=690>

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.

Heterosomati <Xpage=690>

Het`e*ro*so"ma*ti (?) , n. pl. [NL., fr. Gr. <?/ other + <?/, <?/, body.] (Zo\'94l.) 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 .

Heterosporic, Heterosporous <Xpage=690>

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

Heterostyled <Xpage=690>

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

Darwin.

Heterostylism <Xpage=690>

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

Heterotactous <Xpage=690>

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

Heterotaxy <Xpage=690>

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 .

Heterotopism, Heterotopy <Xpage=690>

Het`er*ot"o*pism (?) , Het`er*ot"o*py (?) , n. [ Hetero- + Gr. <?/ place: cf. F. h\'82t\'82rotopie .] 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.

<page="691"> Page 691

Heterotricha <Xpage=691>

Het`e*rot"ri*cha (?) , n. pl. [NL., fr. Gr. <?/ other + <?/, gen. <?/, a hair.] (Zo\'94l.) A division of ciliated Infusoria, having fine cilia all over the body, and a circle of larger ones around the anterior end.

Heterotropal, Heterotropous <Xpage=691>

Het`er*ot"ro*pal (?) , Het`er*ot"ro*pous (<?/) , a. [Gr. "etero`tropos turning another way; <?/ other + <?/ to turn: cf. F. h\'82t\'82rotrope .] (Bot.) Having the embryo or ovule oblique or transverse to the funiculus; amphitropous.

Gray.

Hething <Xpage=691>

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

Chaucer.

Hetman <Xpage=691>

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 <Xpage=691>

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 <Xpage=691>

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

Heulandite <Xpage=691>

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.

Heuristic <Xpage=691>

Heu*ris"tic (?) , a. [Gr. <?/ to discover.] Serving to discover or find out.

Heved <Xpage=691>

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

Chaucer.

Hew <Xpage=691>

Hew (?) , v. t. [ imp. Hewed (?) ; p. p. Hewed or Hewn (<?/) ; p. pr. & vb. n. Hewing .] [AS. he\'a0wan ; akin to D. houwen , OHG. houwan , G. hauen , Icel. h\'94ggva , 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 <Xpage=691>

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

Of whom he makes such havoc and such hew . Spenser.

Hew <Xpage=691>

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

Chaucer.

2. Shape; form. [Obs.]

Spenser.

Hewe <Xpage=691>

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

Chaucer.

Hewer <Xpage=691>

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

Hewhole <Xpage=691>

Hew"hole` (?) , n. [Cf. Hickwall .] (Zo\'94l.) The European green woodpecker. See Yaffle .

Hewn <Xpage=691>

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-, Hexa <Xpage=691>

Hex- (?) , Hex"a (#) . [Gr. <?/ six. See Six .] A prefix or combining form, used to denote six , sixth , etc.; as, hex atomic, hexa basic .

Hexabasic <Xpage=691>

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 .

Hexacapsular <Xpage=691>

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

Hexachord <Xpage=691>

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.

Hexacid <Xpage=691>

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 .

Hexactinellid <Xpage=691>

Hex*ac`ti*nel"lid (?) , a. (Zo\'94l.) Having six-rayed spicules; belonging to the Hexactinellin\'91 .

Hexactinelline <Xpage=691>

Hex*ac`ti*nel"line (?) , a. [From NL. Hexactinellin\'91 , fr. Gr. <?/ six + a dim. of <?/, <?/, a ray.] (Zo\'94l.) Belonging to the Hexactinellin\'91 , a group of sponges, having six-rayed siliceous spicules.

Hexactinia <Xpage=691>

Hex`ac*tin"i*a (?) , n. pl. [NL. See Hex- , and Actinia .] (Zo\'94l.) The Anthozoa.

Hexad <Xpage=691>

Hex"ad (?) , n. [L. hexas , hexadis , the number six, Gr. <?/, <?/, fr. <?/ 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.

Hexadactylous <Xpage=691>

Hex`a*dac"tyl*ous (?) , a. [Gr. <?/; <?/ six + <?/ finger: cf. F. hexadactyle .] (Zo\'94l.) Having six fingers or toes.

Hexade <Xpage=691>