Meaning of chromogen

chro•mo•gen

Pronunciation: (krō'mu-jun, -jen"), [key]
— n.
    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.
  1. a chromogenic bacterium.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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