chromogen

noun chro·mo·gen \ ˈkrō-mə-jən \

Definition of chromogen

1 : a precursor of a biochemical pigment
2 : a pigment-producing microorganism

Origin and Etymology of chromogen

chromo- + -gen
Note: Term introduced by the Scottish chemist Thomas Charles Hope (1766-1844) in "Observations and Experiments on the Coloured and Colourable Matters in the Leaves and Flowers of Plants," a communication read on March 21, 1836, to the Royal Society of Edinburgh and published in the Society's Transactions, vol. 1, no. 6 (1836), pp. 126-28.


Medical Dictionary

chromogen

noun chro·mo·gen \ ˈkrō-mə-jən \

medical Definition of chromogen

1 a : a precursor of a biochemical pigment
b : a compound not itself a dye but containing a chromophore and so capable of becoming one
2 : a pigment-producing microorganism
  • many bacteria are chromogens

chromogenic

play \ˌkrō-mə-ˈjen-ik\ adjective

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