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Noun: color blindness
Usage: US (elsewhere: colour blindness)
  1. Genetic inability to distinguish differences in hue
    - colour blindness [Brit, Cdn], color vision deficiency [US], colour vision deficiency [Brit, Cdn]

Type of: birth defect, congenital abnormality, congenital anomaly, congenital defect, congenital disorder, vision defect, visual defect, visual disorder, visual impairment

Encyclopedia: Color blindness