noun Chemistry.

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

Origin of auxochrome

First recorded in 1890–95; auxo- + chrome
Related formsaux·o·chrom·ic, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for auxochrome

Historical Examples of auxochrome

British Dictionary definitions for auxochrome



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