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chromogen

[kroh-muh-juh n, -jen] /ˈkroʊ mə dʒən, -ˌdʒɛn/
noun
1.
Chemistry.
  1. any substance found in organic fluids that forms colored compounds when oxidized.
  2. a colored compound that, though not a dye itself, can be converted into a dye.
2.
a chromogenic bacterium.
Origin
1855-1860
1855-60; chromo- + -gen
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for chromogen

chromogen

/ˈkrəʊmədʒən/
noun
1.
a compound that forms coloured compounds on oxidation
2.
a substance that can be converted to a dye
3.
a bacterium that produces a pigment
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
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chromogen in Medicine

chromogen chro·mo·gen (krō'mə-jən)
n.

  1. A substance that lacks definite color but may be transformed into a pigment.

  2. A strongly pigment-generating or pigmented organelle, organ, or microorganism.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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