Color blindness Meaning, Definition & Usage

  1. noun genetic inability to distinguish differences in hue
    colour blindness; color vision deficiency; colour vision deficiency.

WordNet

Definitions
  1. total or partial inability to distinguish or recognize colors. See Daltonism.
Definitions
  1. inability to distinguish certain color. See Daltonism.
  2. total or partial inability to distinguish or recognize colors. See Daltonism.

Webster 1913