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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Protosomite :: Protosomite (n.) One of the primitive segments, or metameres, of an animal..
Pentane :: Pentane (n.) Any one of the three metameric hydrocarbons, C5H12, of the methane or paraffin series. They are colorless, volatile liquids, two of which occur in petroleum. So called because of the five carbon atoms in the molecule..
Pentamethylene :: Pentamethylene (n.) A hypothetical hydrocarbon, C5H10, metameric with the amylenes, and the nucleus of a large number of derivatives; -- so named because regarded as composed of five methylene residues. Cf. Trimethylene, and Tetramethylene..
Phenanthroline :: Phenanthroline (n.) Either of two metameric nitrogenous hydrocarbon bases, C12H8N2, analogous to phenanthridine, but more highly nitrogenized..
Paraxylene :: Paraxylene (n.) A hydrocarbon of the aromatic series obtained as a colorless liquid by the distillation of camphor with zinc chloride. It is one of the three metamers of xylene. Cf. Metamer, and Xylene..
Valeric :: Valeric (a.) Valerianic; specifically, designating any one of three metameric acids, of which the typical one (called also inactive valeric acid), C4H9CO2H, is obtained from valerian root and other sources, as a corrosive, mobile, oily liquid, having a strong acid taste, and an odor of old cheese..
Glyceryl :: Glyceryl (n.) A compound radical, C3H5, regarded as the essential radical of glycerin. It is metameric with allyl. Called also propenyl..
Myotome :: Myotome (n.) The muscular system of one metamere of an articulate.
Met- :: Met- () Other; duplicate, corresponding to; resembling; hence, metameric; as, meta-arabinic, metaldehyde..
Neuromere :: Neuromere (n.) A metameric segment of the cerebro-spinal nervous system.
Trimellic :: Trimellic (a.) Of, pertaining to, or designating, a certain tribasic acid (called also trimellitic acid) metameric with trimesitic acid..
Phloroglucin :: Phloroglucin (n.) A sweet white crystalline substance, metameric with pyrogallol, and obtained by the decomposition of phloretin, and from certain gums, as catechu, kino, etc. It belongs to the class of phenols. [Called also phloroglucinol.].
Terephthalic :: Terephthalic (a.) Of, pertaining to, or designating, a dibasic acid of the aromatic series, metameric with phthalic acid, and obtained, as a tasteless white crystalline powder, by the oxidation of oil of turpentine; -- called also paraphthalic acid. Cf. Phthalic..
Nonone :: Nonone (n.) Any one of several metameric unsaturated hydrocarbons (C9H14) of the valylene series.
Xylene :: Xylene (n.) Any of a group of three metameric hydrocarbons of the aromatic series, found in coal and wood tar, and so named because found in crude wood spirit. They are colorless, oily, inflammable liquids, C6H4.(CH3)2, being dimethyl benzenes, and are called respectively orthoxylene, metaxylene, and paraxylene. Called also xylol..
Crocose :: Crocose (n.) A white crystalline sugar, metameric with glucose, obtained from the coloring matter of saffron..
Metameric :: Metameric (a.) Of or pertaining to a metamere or its formation; as, metameric segmentation..
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..
Metamerically :: Metamerically (adv.) In a metameric manner.
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..
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