D0205600 (dī-krō′mə-tĭz′əm) also di·chro·mism(-mĭz′əm)n.1. The quality or condition of having or exhibiting two colors.2. A form of colorblindness in which only two of the three fundamental colors can be distinguished due to a lack of one of the cone pigments.di′cro·mat′ic(-măt′ĭk) adj.
dichromism
(daɪˈkrəʊmɪzəm) nthe state of being dichromicEncyclopediaSeedichromatism