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Pronunciation: kro'mo-jen


  1. A substance, itself without definite color, which may be transformed into a pigment; denoting especially benzene and its homologues toluene, xylene, quinone, naphthalene, and anthracene, from which the aniline dyes are manufactured.
  2. A microorganism that produces pigment.
  3. A compound, containing a chromophore, which is colorless if that chromophore is removed.
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