chromophore group

chromophore group
A chemical group with double bonds that absorbs visible light and gives a dye its color.

Microbiology. . 2009.

Look at other dictionaries:

  • 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 — 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 — 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 — chromophoric /kroh meuh fawr ik, for ik/, adj. /kroh meuh fawr , fohr /, n. any chemical group that produces color in a compound, as the azo group N=N . [1875 80; CHROMO + PHORE] * * * ▪ chemistry       a group of atoms and electrons forming part …   Universalium

  • chromophore — The atomic grouping upon which the color of a substance depends. SYN: chromatophore (3), color radical. [chromo + G. phoros, bearing] * * * chro·mo·phore krō mə .fō(ə)r, .fȯ(ə)r n a chemical group (as an azo group) that absorbs light at a… …   Medical dictionary

  • chromophore — noun the chemical group that gives color to a molecule • Hypernyms: ↑group, ↑radical, ↑chemical group • Part Holonyms: ↑dye, ↑dyestuff …   Useful english dictionary

  • 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

  • chromophore — chro•mo•phore [[t]ˈkroʊ məˌfɔr, ˌfoʊr[/t]] n. chem. any chemical group that produces color in a compound, as the azo group −N=N− • Etymology: 1875–80 chro mo•phor′ic ˈfɔr ɪk, ˈfɒr adj …   From formal English to slang

  • chromophore — /ˈkroʊməfɔ/ (say krohmuhfaw) noun any chemical group which produces colour in a compound, as the azo group N=N …   Australian English dictionary

  • chromophore — n. [Gr. chroma, color; phorein, to bear] A group of atoms to whose presence definite color in a compound are attributed, and when combined with certain salt forming groups (auxochromes) produce dyes …   Dictionary of invertebrate zoology

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