Definitions for "Dichromatism"
Color blindness in which either the red-green or the blue-yellow system is lacking. The red-green form is relatively common; the blue-yellow form is the rarest of all forms of color blindness. See also monochromatism, red-green color blindness, trichromatism.
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)
Color differences between individuals of the same species.
The state of being dichromatic.