Bible Dictionaries
Daltonism
Webster's Dictionary
(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.
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Bibliography Information
Webster, Noah. Entry for 'Daltonism'. Noah Webster's American Dictionary. https://www.studylight.org/dictionaries/eng/web/d/daltonism.html. 1828.