chromophore

chromophore
The atomic grouping upon which the color of a substance depends. SYN: chromatophore (3), color radical. [chromo- + G. phoros, bearing]

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chro·mo·phore 'krō-mə-.fō(ə)r, -.fȯ(ə)r n a chemical group (as an azo group) that absorbs light at a specific frequency and so imparts color to a molecule also a colored chemical compound
chro·mo·phor·ic .krō-mə-'fȯr-ik, -'fär- adj

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chro·mo·phore (kroґmo-for) any chemical group whose presence gives a decided color to a compound and which unites with certain other groups (auxochromes) to form dyes; called also color radical.

Medical dictionary. 2011.

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  • chromophore — ● chromophore adjectif Se dit d un groupe fonctionnel qui apporte la couleur dans un composé organique. ⇒CHROMATOPHORE, CHROMOPHORE, adj. et subst. masc. I. Adj. Qui porte la couleur. Tissu chromatophore (Roussy ds Nouv. Traité Méd., fasc. 5,… …   Encyclopédie Universelle

  • Chromophore —   [k ], Singular Chromophor der, s, chromophore Gruppen, Farbstofftheorie: charakteristisch farbgebende Atomgruppen organischer Farbstoffe, die die Ausbildung mesomerer Zustände der π Elektronen begünstigen, dadurch die …   Universal-Lexikon

  • Chromophore — Chro mo*phore, n. [Gr. ? color + fe rein to bear.] (Chem.) Any chemical group or residue (as {NO2}; {N2}; or {O2}) which imparts some decided color to the compound of which it is an ingredient. [1913 Webster] …   The Collaborative International Dictionary of English

  • chromophore — [krō′mə fôr΄] n. [ CHROMO + PHORE] any chemical group, as the azo group, that produces color in a compound and unites with certain other groups to form dyes chromophoric [krō′məfôr′ik] adj …   English World dictionary

  • Chromophore — A chromophore is the part of a molecule responsible for its color. [1] The color arises when a molecule absorbs certain wavelengths of visible light and transmits or reflects others. The chromophore is a region in the molecule where the energy… …   Wikipedia

  • Chromophore — Buntstifte Als Chromophor (griech. Farbträger) bezeichnet man den Teil eines Farbstoffs, der für das prinzipielle Vorhandensein der Farbigkeit sorgt. Dass ein Farbstoff bei einem Beobachter einen Farbreiz hervorruft, also bunt erscheint, beruht… …   Deutsch Wikipedia

  • chromophore — chromoforas statusas T sritis fizika atitikmenys: angl. chromophore vok. Chromophor, m rus. хромофор, m pranc. chromophore, m …   Fizikos terminų žodynas

  • Chromophore — Un chromophore est un groupement d atomes comportant une ou plusieurs doubles liaisons, et formant avec le reste de la molécule un séquence de doubles liaisons conjuguées, c est à dire une alternance de doubles et de simples liaisons. L existence …   Wikipédia en Français

  • chromophore — chromoforas statusas T sritis chemija apibrėžtis Gamtinis pigmentas. atitikmenys: angl. chromophore rus. хромофор …   Chemijos terminų aiškinamasis žodynas

  • chromophore — chromoforas statusas T sritis chemija apibrėžtis Grupė, suteikianti organiniam junginiui spalvą. atitikmenys: angl. chromophore rus. хромофор …   Chemijos terminų aiškinamasis žodynas

  • chromophore — noun Etymology: International Scientific Vocabulary Date: 1879 a chemical group (as an azo group) that absorbs light at a specific frequency and so imparts color to a molecule; also a colored chemical compound • chromophoric adjective …   New Collegiate Dictionary

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