Heterocercy - Heterotopism

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Heterocercy (?), n. [Hetero- + Gr. � a tail.] (Anat.) Unequal development of the tail lobes of fishes; the possession of a heterocercal tail.
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Heterochromous (?; 277), a. [Hetero- + Gr. � color.] (Bot.) Having the central florets of a flower head of a different color from those of the circumference.

{ Heterochronism (?), Heterochrony (?), } n. [Gr. � of different times; � other + � time.] (Biol.) In evolution, a deviation from the typical sequence in the formation of organs or parts.
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Heteroclite, a. [L. heteroclitus, Gr. �; � other + � to lean, incline, inflect: cf. F. hétéroclite.] Deviating from ordinary forms or rules; irregular; anomalous; abnormal.
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Heteroclite, n. 1. (Gram.) A word which is irregular or anomalous either in declension or conjugation, or which deviates from ordinary forms of inflection in words of a like kind; especially, a noun which is irregular in declension.
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2. Any thing or person deviating from the common rule, or from common forms. Howell.

{ Heteroclitic (?), Heteroclitical (?), } a. [See .] Deviating from ordinary forms or rules; irregular; anomalous; abnormal.
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Heteroclitous (?), a. Heteroclitic. [Obs.]
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Heterocyst (?), n. [Hetero- + cyst.] (Bot.) A cell larger than the others, and of different appearance, occurring in certain algæ related to nostoc.
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Heterodactyl (?), a. (Zoöl.) Heterodactylous. -- n. One of the Heterodactylæ.
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Heterodactylæ (?), n. pl. [NL., fr. Gr. � other + � a finger.] (Zoöl.) A group of birds including the trogons.
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Heterodactylous (?), a. [Hetero- + Gr. � a toe.] (Zoöl.) Having the first and second toes turned backward, as in the trogons.
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Heterodont (?), a. [Hetero- + Gr. �, � a tooth.] (Anat.) Having the teeth differentiated into incisors, canines, and molars, as in man; -- opposed to homodont.
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Heterodont, n. (Zoöl.) Any animal with heterodont dentition.
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Heterodox (?), a. [Gr. �; � other + � opinion; cf. F. hétérodoxe.] 1. Contrary to, or differing from, some acknowledged standard, as the Bible, the creed of a church, the decree of a council, and the like; not orthodox; heretical; -- said of opinions, doctrines, books, etc., esp. upon theological subjects.
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Raw and indigested, heterodox, preaching. Strype.
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2. Holding heterodox opinions, or doctrines not orthodox; heretical; -- said of persons. Macaulay.

-- Heterodoxly, adv. -- Heterodoxness, n.
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Heterodox, n. An opinion opposed to some accepted standard. [Obs.] Sir T. Browne.
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Heterodoxal (?), a. Not orthodox. Howell.
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Heterodoxy (?), n. [Gr. �: cf. F. hétérodoxie.] An opinion or doctrine, or a system of doctrines, contrary to some established standard of faith, as the Scriptures, the creed or standards of a church, etc.; heresy. Bp. Bull.
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Heterodromous (?), a. [Hetero- + Gr. � to run.] 1. (Bot.) Having spirals of changing direction. Gray.
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2. (Mech.) Moving in opposite directions; -- said of a lever, pulley, etc., in which the resistance and the actuating force are on opposite sides of the fulcrum or axis.
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Heterœcious (?), a. [Hetero- + Gr. � house.] (Bot.) Passing through the different stages in its life history on an alternation of hosts, as the common wheat-rust fungus (Puccinia graminis), and certain other parasitic fungi; -- contrasted with autœcious. -- Heterœcism (#), n.
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Heterogamous (?), a. [Hetero- + Gr. gamos marriage: cf. F. hétérogame.] (Bot. & Biol.) (a) The condition of having two or more kinds of flowers which differ in regard to stamens and pistils, as in the aster. (b) Characterized by heterogamy.
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Heterogamy (?), n. [See .]
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1. (Bot.) The process of fertilization in plants by an indirect or circuitous method; -- opposed to orthogamy.
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2. (Biol.) That form of alternate generation in which two kinds of sexual generation, or a sexual and a parthenogenetic generation, alternate; -- in distinction from metagenesis, where sexual and asexual generations alternate. Claus & Sedgwick.
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Heterogangliate (?), a. [Hetero- + gangliate.] (Physiol.) Having the ganglia of the nervous system unsymmetrically arranged; -- said of certain invertebrate animals.
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Heterogene (?), a. Heterogenous. [Obs.]
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Heterogeneal (?), a. Heterogeneous.
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Heterogeneity (?), n. [Cf. F. hétérogénéité.] The state of being heterogeneous; contrariety.
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The difference, indeed the heterogeneity, of the two may be felt. Coleridge.
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Heterogeneous (?), a. [Gr. �; � + � race, kind; akin to E. kin: cf. F. hétérogène.] 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. -- Heterogeneously, adv. -- Heterogeneousness, n.
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Coloq. 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 hæc loca, both masculine and neuter in the plural; hoc cælum, neuter in the singular; hi cæli, masculine in the plural. -- Coloq. Heterogeneous quantities (Math.), such quantities as are incapable of being compared together in respect to magnitude, and surfaces and solids. -- Coloq. Heterogeneous surds (Math.), surds having different radical signs.
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Heterogenesis (?), n. [Hetero- + genesis.] 1. (Biol.) Spontaneous generation, so called.
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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.
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Heterogenetic (?), a. (Biol.) Relating to heterogenesis; as, heterogenetic transformations.
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Heterogenist (?), n. (Biol.) One who believes in the theory of spontaneous generation, or heterogenesis. Bastian.
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Heterogenous (?), a. (Biol.) Of or pertaining to heterogenesis; heterogenetic.
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Heterogeny (?), n. (Biol.) Heterogenesis.
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Heterogonous (?), a. (Bot.) Characterized by heterogony. -- Heterogonously, adv.
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Heterogony (?), 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.
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Heterographic (?), a. [See .] 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.
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Heterography (?), 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.
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Heterogynous (?), a. [Hetero- + Gr. � a woman, female.] (Zoöl.) Having females very unlike the males in form and structure; -- as certain insects, the males of which are winged, and the females wingless.
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Heterologous (?), 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.
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Coloq. Heterologous stimulus . (Physiol.) See under . -- Coloq. Heterologous tumor (Med.), a tumor differing in structure from the normal tissues of the body.
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Heterology (?), 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.
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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. .
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Heteromera (?), n. pl. [NL., fr. Gr. � other + � part.] (Zoöl.) A division of Coleoptera, having heteromerous tarsi.
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Heteromerous (?), a. [See .] 1. (Chem & Crystallog.) Unrelated in chemical composition, though similar or indentical in certain other respects; as, borax and augite are homœmorphous, but heteromerous.
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2. (Bot.) With the parts not corresponding in number.
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3. (Zoöl.) (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.
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Heteromorphic (?), a. [Hetero- + Gr. morfh 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 (?), } n. (Biol.) The state or quality of being heteromorphic.
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Heteromorphous (?), a. (Biol.) Heteromorphic.
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Heteromyaria (?), n. pl. [NL., fr. Gr. � other + � a muscle.] (Zoöl.) A division of bivalve shells, including the marine mussels, in which the two adductor muscles are very unequal. See , and Illust. under .
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Heteronereis (?), n. [NL. See , and .] (Zoöl.) A free-swimming, dimorphic, sexual form of certain species of Nereis.
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☞ 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 lamellæ, and their setæ become longer and bladelike.
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Heteronomous (?), a. [Hetero- + Gr. nomos law.] Subject to the law of another. Krauth-Fleming.
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Heteronomy (?), n. 1. Subordination or subjection to the law of another; political subjection of a community or state; -- opposed to autonomy.
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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.
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Heteronym (?), n. That which is heteronymous; a thing having a different name or designation from some other thing; -- opposed to homonym.
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Heteronymous (?), a. [Hetero- + Gr. onyma, for onoma a name.] Having different names or designations; standing in opposite relations. J. Le Conte.

-- Heteronymously, adv.
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Heteroousian (?), a. [Hetero- + Gr. � being, essence.] Having different essential qualities; of a different nature.
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Heteroousian (?), n. (Eccl. Hist.) One of those Arians who held that the Son was of a different substance from the Father.
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Heteroousious (?), a. See .
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Heteropathic (?), a. [Hetero- + Gr. � suffering, fr. �, �, to suffer.] Of or pertaining to the method of heteropathy; allopathic.
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Heteropathy (?), n. [See .] (Med.) That mode of treating diseases, by which a morbid condition is removed by inducing an opposite morbid condition to supplant it; allopathy.
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Heteropelmous (?), 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.
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Heterophagi (?), n. pl. [NL., fr. Gr. � other + � to eat.] (Zoöl.) Altrices.
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Heterophemist (?), n. One liable to the fault of heterophemy.
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Heterophemy (?), 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.
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Heterophony (?), n. [Hetero- + Gr. � voice.] (Med.) An abnormal state of the voice. Mayne.
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Heterophyllous (?), a. [Gr. � other + � leaf: cf. F. hétérophylle.] (Bot.) Having leaves of more than one shape on the same plant.
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Heteroplasm (?), 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.
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Heteroplastic (?), a. [Hetero- + -plastic.] (Biol.) Producing a different type of organism; developing into a different form of tissue, as cartilage which develops into bone. Haeckel.
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Heteropod (?), n. [Cf. F. hétéropode.] (Zoöl.) One of the Heteropoda. -- a. Heteropodous.
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Heteropoda (?), n. pl. [NL., fr. Gr. � other + -poda.] (Zoöl.) 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.
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Heteropodous (?), a. (Zoöl.) Of or pertaining to the Heteropoda.
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Heteropter (?), n. One of the Heteroptera.
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Heteroptera (?), n. pl. [NL., from Gr. � other + � a wing.] (Zoöl.) A suborder of Hemiptera, in which the base of the anterior wings is thickened. See .
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Heteroptics (?), n. [Hetero- + optics.] False optics. Spectator.
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Heteroscian (?), n. [Gr. �; � other + � shadow: cf. F. hétéroscien.] 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).
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Heterosis (?), 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.
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Heterosomati (?), n. pl. [NL., fr. Gr. � other + �, �, body.] (Zoöl.) 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 (?), } a. [Hetero- + spore.] (Bot.) Producing two kinds of spores unlike each other.
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Heterostyled (?), a. (Bot.) Having styles of two or more distinct forms or lengths. Darwin.
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Heterostylism (?), n. (Bot.) The condition of being heterostyled.
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Heterotactous (?), a. (Biol.) Relating to, or characterized by, heterotaxy.
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Heterotaxy (?), 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 (?), } n. [Hetero- + Gr. � place: cf. F. hétérotopie.] 1. (Med.) A deviation from the natural position; -- a term applied in the case of organs or growths which are abnormal in situation.
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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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