Webster dictionary was developed by Noah Webster in the beginning of 19th century. On this website, you can find definition for daltonism from the 1913 edition of Webster's Revised Unabridged Dictionary. Define daltonism using one of the most comprehensive free online dictionaries on the web.

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daltonism
Part of Speech: noun
Results: 1
1. 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.
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