dichromatopsia
1. [ noun ] (medicine,ophthalmology) 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)
Synonyms: dichromasy dichromatism dichromia dichromacy
Related terms: color_blindness yellow-blue_color_blindness red-gree_color_blindness
Similar spelling:   dichromatic
  dichromatism
  discrimination
  discriminate
  discriminator
  discriminatory
  discriminative
  discriminating