Definition of metamer

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Metamer (n.) Any one of several metameric forms of the same substance, or of different substances having the same composition; as, xylene has three metamers, viz., orthoxylene, metaxylene, and paraxylene..

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Metameric :: Metameric (a.) Of or pertaining to a metamere or its formation; as, metameric segmentation..
Hydroquinone :: Hydroquinone (n.) 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..
Toluic :: Toluic (a.) Pertaining to, or designating, one of three metameric acids, CH3.C6H4.CO2H, which are related to toluene and analogous to benzoic acids. They are white crystalline substances, and are called respectively orthotoluic acid, metatoluic acid, and paratoluic acid..
Viridine :: Viridine (n.) A greenish, oily, nitrogenous hydrocarbon, C12H19N7, obtained from coal tar, and probably consisting of a mixture of several metameric compounds which are higher derivatives of the base pyridine..
Metamerically :: Metamerically (adv.) In a metameric manner.
Segment :: Segment (n.) One of the divisions, rings, or joints into which many animal bodies are divided; a somite; a metamere; a somatome..
Glyceryl :: Glyceryl (n.) A compound radical, C3H5, regarded as the essential radical of glycerin. It is metameric with allyl. Called also propenyl..
Metamerism :: Metamerism (n.) The symmetry of a metameric structure; serial symmetry; the state of being made up of metameres.
Ethylidene :: Ethylidene () An unsymmetrical, divalent, hydrocarbon radical, C2H4 metameric with ethylene but written thus, CH3.CH to distinguish it from the symmetrical ethylene, CH2.CH2. Its compounds are derived from aldehyde. Formerly called also ethidene..
Malamide :: Malamide (n.) The acid amide derived from malic acid, as a white crystalline substance metameric with asparagine..
Coridine :: Coridine (n.) A colorless or yellowish oil, C10H15N, of a leathery odor, occuring in coal tar, Dippel's oil, tobacco smoke, etc., regarded as an organic base, homologous with pyridine. Also, one of a series of metameric compounds of which coridine is a type..
Neo- :: Neo- () A prefix meaning new, recent, late; and in chemistry designating specifically that variety of metameric hydrocarbons which, when the name was applied, had been recently classified, and in which at least one carbon atom in connected directly with four other carbon atoms; -- contrasted with normal and iso-; as, neopentane; the neoparaffins. Also used adjectively..
Neuromere :: Neuromere (n.) A metameric segment of the cerebro-spinal nervous system.
Somite :: Somite (n.) One of the actual or ideal serial segments of which an animal, esp. an articulate or vertebrate, is is composed; somatome; metamere..
Nonylene :: Nonylene (n.) Any one of a series of metameric, unsaturated hydrocarbons C9H18 of the ethylene series..
Maleic :: Maleic (a.) Pertaining to, or designating, an acid of the ethylene series, metameric with fumaric acid and obtained by heating malic acid..
Nonone :: Nonone (n.) Any one of several metameric unsaturated hydrocarbons (C9H14) of the valylene series.
Toluidine :: Toluidine (n.) Any one of three metameric amido derivatives of toluene analogous to aniline, and called respectively orthtoluidine, metatoluidine, and paratoluidine; especially, the commonest one, or paratoluidine, which is obtained as a white crystalline substance..
Thioxene :: Thioxene (n.) Any one of three possible metameric substances, which are dimethyl derivatives of thiophene, like the xylenes from benzene..
Trimellic :: Trimellic (a.) Of, pertaining to, or designating, a certain tribasic acid (called also trimellitic acid) metameric with trimesitic acid..
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