auxochrome group

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• Auxochrome — this is a group of atoms attached to a chromophore which modifies the ability of that chromophore to absorb light. Example: OH , NH2 , Aldehydes.An auxochrome is a functional group of atoms with nonbonded electrons which, when attached to a… …   Wikipedia

• auxochrome — [ôk′sə krōm΄] n. [< Gr auxanein, to increase (< auxein: see AUXIN) + CHROME] a radical or atom group, as NH2 or OH, needed to bond organic dyes to fabric fibers …   English World dictionary

• auxochrome — The chemical group within a dye molecule by which the dye is bound to reactive end groups in tissues. The a. enhances the intensity of absorption. [auxo + G. chroma, color] * * * auxo·chrome ȯk sə .krōm n a salt forming group (as hydroxyl or… …   Medical dictionary

• auxochrome — auxochromic, adj. /awk seuh krohm /, n. Chem. any radical or group of atoms that intensifies the color of a substance. [1890 95; AUXO + CHROME] * * * …   Universalium

• auxochrome — n. group of atoms which intensify color (Chemistry) …   English contemporary dictionary

• auxochrome — /ˈɔksəkroʊm/ (say awksuhkrohm) noun any group of atoms which make a chromogen acidic or basic, giving it the ability to adhere to wool and silk. {auxo (representing Greek auxanein increase) + chrome} …  

• dye — A stain or coloring matter; a compound consisting of chromophore and auxochrome groups attached to one or more benzene rings, its color being due to the chromophore and its dyeing affinities to the auxochrome. Dyes are used for intravital… …   Medical 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

• dye — dyable, dyeable, adj. dyer, n. /duy/, n., v., dyed, dyeing. n. 1. a coloring material or matter. 2. a liquid containing coloring matter, for imparting a particular hue to cloth, paper, etc. 3. color or hue, esp. as produced by dyeing. 4. of the… …   Universalium

• Neil J. Gunther — Neil James Gunther Neil Gunther at Bletchley Park 2002 A quantum leap is neither Born …   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