chromophore

[kroh-muh-fawr, -fohr]

noun

any chemical group that produces color in a compound, as the azo group −N=N−.

Origin of chromophore

First recorded in 1875–80; chromo- + -phore

Related formschro·mo·phor·ic

[kroh-muh-fawr-ik, -for-ik] /ˌkroʊ məˈfɔr ɪk, -ˈfɒr ɪk/, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for chromophore

Historical Examples of chromophore

Baeyer has suggested that the nine carbon atom system of xanthone may act as a chromophore.
Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1
Various
In other words, an auxochrome in addition to the chromophore group transforms a colorless chromogen into a colored one.
Synthesis of 2-methyl-4-selenoquinazolone, 2-phenylbenzoselenazole, and its derivatives
Y-Gwan Chen
This is in agreement with the chromophore ideas of Hugo Kaufmann.
Synthesis of 2-methyl-4-selenoquinazolone, 2-phenylbenzoselenazole, and its derivatives
Y-Gwan Chen

British Dictionary definitions for chromophore

chromophore

noun

a group of atoms in a chemical compound that are responsible for the colour of the compound

Derived Formschromophoric or chromophorous, adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

chromophore in Medicine

chromophore

[krō′mə-fôr′]

A chemical group capable of selective light absorption resulting in coloration of certain organic compounds.color radical