Definition of "color blindness"

color blindness

noun
countable and uncountable, plural color blindnesses
1. (medicine, ophthalmology) Any of several medical conditions in which the physical ability to see colors is impaired, especially achromatopsia, Daltonism.
2. (figuratively) Indifference to a person's skin color or race.
  Quotations
  Despite the fact that race is embedded in American social life, "color blindness" has recently emerged as the dominant ideology of race.
  2003, Kimberly L. Ebert, "Demystifying Color-Blind Ideology", in C. Herring et al., Skin Deep: How Race and Complexion Matter in the "Color-Blind" Era, p. 1985