dichromatism
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dichromatism
[di-kro´mah-tizm]1. the quality of existing in or exhibiting two different colors.
di·chro·ma·tism
(dī-krō'mă-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, + chrōma, color]
dichromatism
(dī-krō′mə-tĭz′əm) alsodichromism
(-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.
di·chro·ma·tism
(dī-krō'mă-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.
Synonym(s): dichromatopsia.
[G. di-, two, + chrōma, color]
dichromatism
Partial color blindness in which only two of the primary colours can be perceived.dichromatism
A form of colour vision deficiency in which all colours can be matched by a mixture of only two primary colours. The spectrum appears as consisting of two colours separated by an achromatic area (the neutral point). There are several types of dichromatism: deuteranopia, protanopia and tritanopia. Syn. daltonism; dichromatopsia; dichromatic vision. See defective colour vision; visual pigment.