Daltonism Hear it!

Daltonism definition

Dal·ton·ism (dôlt′'n iz′əm)

noun

color blindness, esp. red-green blindness

Etymology: after John Dalton, who had color blindness and investigated it scientifically

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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