[ Gr. "e`teros other.] A combining form signifying other, other than usual, different; as, heteroclite, heterodox, heterogamous. [1913 Webster]

n. [ Hetero- + Gr. &unr_; fruit. ] (Bot.) The power of producing two kinds of reproductive bodies, as in the hog peanut Amphicarpaea bracteata (photo by Daniel Reed ([email protected]) from http://www.2bnthewild.com), in which besides the usual pods produced from flowers above ground, there are others underground. In the hog peanut the above-ground flowers are all creamy white or tinged with purple, as in the photo. [ 1913 Webster + PJC ]

a. (Bot.) Characterized by heterocarpism. [ 1913 Webster ]

a. [ Hetero- + Gr.&unr_; head. ] (Bot.) Bearing two kinds of heads or capitula; -- said of certain composite plants. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. &unr_; other + &unr_; horn. ] (Zool.) A division of Lepidoptera, including the moths, and hawk moths, which have the antennæ variable in form. [ 1913 Webster ]

a. [ Hetero- + Gr. &unr_; tail. ] (Anat.) Having the vertebral column evidently continued into the upper lobe of the tail, which is usually longer than the lower one, as in sharks. [ 1913 Webster ]

n. [ Hetero- + Gr. &unr_; a tail. ] (Anat.) Unequal development of the tail lobes of fishes; the possession of a heterocercal tail. [ 1913 Webster ]

a. [ Hetero- + Gr. &unr_; color. ] (Bot.) Having the central florets of a flower head of a different color from those of the circumference.

{ } n. [ Gr. &unr_; of different times; &unr_; other + &unr_; time. ] (Biol.) In evolution, a deviation from the typical sequence in the formation of organs or parts. [ 1913 Webster ]

a. [ L. heteroclitus, Gr. &unr_;; &unr_; other + &unr_; to lean, incline, inflect: cf. F. hétéroclite. ] Deviating from ordinary forms or rules; irregular; anomalous; abnormal. [ 1913 Webster ]

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. [ 1913 Webster ]

2. Any thing or person deviating from the common rule, or from common forms. Howell.

{ } a. [ See Heteroclite. ] Deviating from ordinary forms or rules; irregular; anomalous; abnormal. [ 1913 Webster ]

a. Heteroclitic. [ Obs. ] [ 1913 Webster ]

n. [ Hetero- + cyst. ] (Bot.) A cell larger than the others, and of different appearance, occurring in certain algæ related to nostoc. [ 1913 Webster ]

a. (Zool.) Heterodactylous. -- n. One of the Heterodactylæ. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. &unr_; other + &unr_; a finger. ] (Zool.) A group of birds including the trogons. [ 1913 Webster ]

a. [ Hetero- + Gr. &unr_; a toe. ] (Zool.) Having the first and second toes turned backward, as in the trogons. [ 1913 Webster ]

a. [ Hetero- + Gr. &unr_;, &unr_; a tooth. ] (Anat.) Having the teeth differentiated into incisors, canines, and molars, as in man; -- opposed to homodont. [ 1913 Webster ]

n. (Zool.) Any animal with heterodont dentition. [ 1913 Webster ]

n. An opinion opposed to some accepted standard. [ Obs. ] Sir T. Browne. [ 1913 Webster ]

a. [ Gr. &unr_;; &unr_; other + &unr_; 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. [ 1913 Webster ]

Raw and indigested, heterodox, preaching. Strype. [ 1913 Webster ]

2. Holding heterodox opinions, or doctrines not orthodox; heretical; -- said of persons. Macaulay.

-- Het"er*o*dox`ly, adv. -- Het"er*o*dox`ness, n. [ 1913 Webster ]

a. Not orthodox. Howell. [ 1913 Webster ]

n. [ Gr. &unr_;: 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. [ 1913 Webster ]

a. [ Hetero- + Gr. &unr_; to run. ] 1. (Bot.) Having spirals of changing direction. Gray. [ 1913 Webster ]

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. [ 1913 Webster ]

a. [ Hetero- + Gr. &unr_; 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. -- Het`er*œ"cism n. [Webster 1913 Suppl.]

a. [ Hetero- + Gr. ga`mos 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. [ 1913 Webster ]

n. [ See Heterogamous. ] [ 1913 Webster ]

1. (Bot.) The process of fertilization in plants by an indirect or circuitous method; -- opposed to orthogamy. [ 1913 Webster ]

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. [ 1913 Webster ]

a. [ Hetero- + gangliate. ] (Physiol.) Having the ganglia of the nervous system unsymmetrically arranged; -- said of certain invertebrate animals. [ 1913 Webster ]

a. Heterogenous. [ Obs. ] [ 1913 Webster ]

a. Heterogeneous. [ 1913 Webster ]

n. [ Cf. F. hétérogénéité. ] The state of being heterogeneous; contrariety. [ 1913 Webster ]

The difference, indeed the heterogeneity, of the two may be felt. Coleridge. [ 1913 Webster ]

a. [ Gr. &unr_;; &unr_; + &unr_; 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. -- Het`er*o*ge"ne*ous*ly, adv. -- Het`er*o*ge"ne*ous*ness, n. [ 1913 Webster ]

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. --
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. [ 1913 Webster ]

n. [ Hetero- + genesis. ] 1. (Biol.) Spontaneous generation, so called. [ 1913 Webster ]

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. [ 1913 Webster ]

a. (Biol.) Relating to heterogenesis; as, heterogenetic transformations. [ 1913 Webster ]

n. (Biol.) One who believes in the theory of spontaneous generation, or heterogenesis. Bastian. [ 1913 Webster ]

a. (Biol.) Of or pertaining to heterogenesis; heterogenetic. [ 1913 Webster ]

n. (Biol.) Heterogenesis. [ 1913 Webster ]

a. (Bot.) Characterized by heterogony. -- Het`er*og"o*nous*ly, adv. [1913 Webster]

n. [ Hetero- + Gr. &unr_; offspring. ] (Bot.) The condition of having two or more kinds of flowers, different as to the length of their stamens and pistils. [ 1913 Webster ]

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. [ 1913 Webster ]

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. [ 1913 Webster ]

a. [ Hetero- + Gr. &unr_; a woman, female. ] (Zool.) Having females very unlike the males in form and structure; -- as certain insects, the males of which are winged, and the females wingless. [ 1913 Webster ]

a. [ Hetero- + Gr. &unr_; proportion. ] Characterized by heterology; consisting of different elements, or of like elements in different proportions; different; -- opposed to homologous; as, heterologous organs. [ 1913 Webster ]

Heterologous stimulus. (Physiol.) See under Stimulus. --
Heterologous tumor (Med.), a tumor differing in structure from the normal tissues of the body. [ 1913 Webster ]

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. [ 1913 Webster ]

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. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. &unr_; other + &unr_; part. ] (Zool.) A division of Coleoptera, having heteromerous tarsi. [ 1913 Webster ]

a. [ See Heteromera. ] 1. (Chem & Crystallog.) Unrelated in chemical composition, though similar or indentical in certain other respects; as, borax and augite are homœmorphous, but heteromerous. [ 1913 Webster ]

2. (Bot.) With the parts not corresponding in number. [ 1913 Webster ]

3. (Zool.) (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. [ 1913 Webster ]

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.

a. (Biol.) Heteromorphic. [ 1913 Webster ]

{ } n. (Biol.) The state or quality of being heteromorphic. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. &unr_; other + &unr_; a muscle. ] (Zool.) A division of bivalve shells, including the marine mussels, in which the two adductor muscles are very unequal. See Dreissena, and Illust. under Byssus. [ 1913 Webster ]