Dichromatopsia

1 definition found

From WordNet (r) 2.0 [wn]:

  dichromatopsia
       n : a deficiency of color vision in which the person can match
           any given hue by mixing only two other wavelengths of
           light (as opposed to the three wavelengths needed by
           people with normal color vision) [syn: {dichromacy}, {dichromatism},
            {dichromia}, {dichromasy}]