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Pronunciation: di-kro'ma-tizm


  1. The state of being dichromatic (1).
  2. The abnormality of color vision in which only two of the three retinal cone pigments are present, as in protanopia, deuteranopia, and tritanopia.

Synonym(s): dichromatopsia

[G. di-, two, + chroma, color]

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.