dichromacy
Noun
Meaning
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)
Source: WordNetSynonyms
Hypernyms
Hyponyms
red-green color blindness
red-green colour blindness
red-green dichromacy
yellow-blue color blindness
yellow-blue dichromacy
Phrases with the word
Examples
Dichromacy conditions are labeled based on whether the "first" ( Greek : prot-, referring to the red photoreceptors), "second" (deuter-, the green), or "third" (trit-, the blue) photoreceptors are affected.