English dictionary
Daltonism
/'d/O/l,t/-/n/I/z/@/m/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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dichromacy characterized by a lowered sensitivity to green light resulting in an inability to distinguish green and purplish-red
Source: WordNet 3.0
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Inability to perceive or distinguish certain colors, esp. red; color blindness. It has various forms and degrees. So called from the chemist <i>Dalton</i>, who had this infirmity.
Source: webster1913