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auxochrome

American

[awk-suh-krohm] / ˈɔk səˌkroʊm /

noun

Chemistry.

any radical or group of atoms that intensifies the color of a substance.

auxochrome British

/ ˈɔːksəˌkrəʊm /

noun

a group of atoms that can be attached to a chromogen to convert it into a dye

"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

auxochromic adjective

Etymology

Origin of auxochrome

First recorded in 1890–95; auxo- + chrome

Example Sentences

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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

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