chromophore

American

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

noun

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

chromophore British

/ ˈkrəʊməˌfɔː /

noun

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

"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

Other Word Forms

chromophoric

adjective

Etymology

Origin of chromophore

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

chromophore

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

Like all plant photoreceptors, phototropins consist of a protein portion and a light-absorbing portion, called the chromophore.

From Textbooks ● Jun. 9, 2022

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 ● Jan. 1, 2015

Also the relative position of the auxochrome to the chromophore influences colour, the ortho-position being generally the most powerful.

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

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023