Definition of "dichromia" []

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) (noun)

WordNet. Princeton University. 2010.

Words like "dichromia"

color blindness color vision deficiency colour blindness

colour vision deficiency dichroic dichromic

red-green color blindness red-green colour blindness red-green dichromacy

yellow-blue color blindness yellow-blue dichromacy