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Search Result for "daltonism": 
Wordnet 3.0

NOUN (1)

1. dichromacy characterized by a lowered sensitivity to green light resulting in an inability to distinguish green and purplish-red;
[syn: deuteranopia, Daltonism, green-blindness]


The Collaborative International Dictionary of English v.0.48:

Daltonism \Dal"ton*ism\, n. 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. --Nichol. [1913 Webster]
WordNet (r) 3.0 (2006):

Daltonism n 1: dichromacy characterized by a lowered sensitivity to green light resulting in an inability to distinguish green and purplish-red [syn: deuteranopia, Daltonism, green- blindness]