dichromatism
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 dichromatopsia dichromia dichromacy
Related terms: color_blindness yellow-blue_color_blindness red-gree_color_blindness
Similar spelling:   dichromat
  dichromatic
  dichromate
  dichromia
  dichromasy
  dichromacy
  dichromatopsia
  discriminate
  discriminator
  discriminatory
  discriminative
  discrimination
  discriminating
  dichromic_acid
  discernment