• synonyms


noun Chemistry.
  1. any radical or group of atoms that intensifies the color of a substance.
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Origin of auxochrome

First recorded in 1890–95; auxo- + chrome
Related formsaux·o·chrom·ic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for auxochromic

Historical Examples of auxochromic

  • Notable differences attend the neutralization of the chromophoric and auxochromic groups.

    Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1


British Dictionary definitions for auxochromic


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