chromophore

American  

[kroh-muh-fawr, -fohr] / ˈkroʊ məˌfɔr, -ˌfoʊr /

noun

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

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chromophore British  

/ ˈkrəʊməˌfɔː /

noun

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

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Other Word Forms

• chromophoric adjective

Etymology

Origin of chromophore

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

Example Sentences

Divalent chromium has the same number of unpaired electrons as trivalent manganese, the chromophore responsible for the intense color of YInMn blue, which Subramanian's team discovered 15 years ago.

From Science Daily • Apr. 16, 2024

"Our idea was to label sugar molecules with a chromophore, a chemical that gives a molecule its colour," explained Cecioni.

From Science Daily • Nov. 14, 2023

The response of plants to light is mediated by different photoreceptors, which are comprised of a protein covalently bonded to a light- absorbing pigment called a chromophore.

From Textbooks • Jun. 9, 2022

In phototropins, the chromophore is a covalently-bound molecule of flavin; hence, phototropins belong to a class of proteins called flavoproteins.

From Textbooks • Jun. 9, 2022

Baeyer has suggested that the nine carbon atom system of xanthone may act as a chromophore.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" by Various