metamer

metamer
1. An entity that is similar to, but ultimately differentiable from, another entity. 2. Structural isomer. [meta- + -mer]

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meta·mer 'met-ə-.mər n
1) a chemical compound that is metameric with one or more others
2) either of two colors of different spectral composition that appear identical to the eye of a single observer under some lighting conditions but different under others or that under constant lighting conditions appear identical to some observers and different to others

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meta·mer (metґə-mər) a compound exhibiting, or capable of exhibiting, metamerism.

Medical dictionary. 2011.

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  • metamer — METAMÉR, metamere, s.n. 1. Fiecare dintre elementele constitutive ale corpului viermilor anelizi şi artropodelor, asemănătoare ca structură şi aşezate succesiv; segment. 2. Segment primitiv al embrionului. – Din fr. métamère. Trimis de… …   Dicționar Român

  • Metamer — Met a*mer, n. [See {Metamere}.] (Chem.) 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; an isomer.… …   The Collaborative International Dictionary of English

  • Metamer — Metamēr (grch.) heißen isomere organische Verbindungen, worin die gleichen Atome auf verschiedene, durch mehrwertige Elemente gebundene organische Radikale verteilt sind, so daß nur die Atomsummen im Molekül dieselben bleiben …   Kleines Konversations-Lexikon

  • metamer — [met′ə mər] n. [< META + Gr meros, a part: see MERIT] Chem. a compound exhibiting metamerism with another or others …   English World dictionary

  • Metamer — Unter Metamerie (gr. meta nach, mitten unter und meros Teil, d. h. aus mehreren Teilen bestehend ) versteht man in der Biologie eine Symmetrieform bei Lebewesen, bei der ähnliche Elemente hintereinander gereiht sind. (Segmentierung von Tieren:… …   Deutsch Wikipedia

  • metamer — /met euh meuhr/, n. Chem. a compound exhibiting metamerism with one or more other compounds. [1880 85; META + MER] * * * …   Universalium

  • metamer — noun Either of a number of molecules that mutually exhibit metamerism …   Wiktionary

  • metamer — me|ta|mer 〈Adj.; Biol.〉 in gleichartige, hintereinanderliegende Abschnitte gegliedert * * * me|ta|mer <Adj.>: ↑Metamerie (1, 2) aufweisend …   Universal-Lexikon

  • metamér — s. n., pl. metamére …   Romanian orthography

  • metamer — me|ta|mer 〈Adj.; Biol.〉 in gleichartige, hintereinander liegende Abschnitte gegliedert [Etym.: <meta… + …mer] …   Lexikalische Deutsches Wörterbuch

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