Definitions for daltonism
Princeton's WordNet
deuteranopia, Daltonism, green-blindness(noun)
dichromacy characterized by a lowered sensitivity to green light resulting in an inability to distinguish green and purplish-red
Wiktionary
Daltonism(Noun)
Inability to perceive or distinguish certain colors, especially red-green color blindness. It has various forms and degrees.
Daltonism(Noun)
Achromatopsia.
Origin: Named for chemist John Dalton who had this condition
Webster Dictionary
Daltonism(noun)
inability to perceive or distinguish certain colors, esp. red; color blindness. It has various forms and degrees. So called from the chemist Dalton, who had this infirmity
The Nuttall Encyclopedia
Daltonism
colour-blindness (q. v.). See Dalton, John.
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