chromogen

chromogen

[kroh-muh-juhn, -jen]
noun
1.
Chemistry.
a.
any substance found in organic fluids that forms colored compounds when oxidized.
b.
a colored compound that, though not a dye itself, can be converted into a dye.
2.
a chromogenic bacterium.

Origin:
1855–60; chromo- + -gen

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World English Dictionary
chromogen (ˈkrəʊmədʒən)
 
n
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 10th Edition
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American Heritage
Medical Dictionary

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
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