daltonism

daltonism

[dawl-tn-iz-uhm]
noun (sometimes initial capital letter) Pathology.
color blindness, especially the inability to distinguish red from green.

Origin:
1835–45; J. Dalton + -ism

daltonic [dawl-ton-ik] , adjective
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World English Dictionary
daltonism (ˈdɔːltəˌnɪzəm)
 
n
colour blindness, esp the confusion of red and green
 
[C19: from French daltonisme, after John Dalton]
 
daltonic
 
adj

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American Heritage
Medical Dictionary

daltonism dal·ton·ism (dôl'tə-nĭz'əm)
n.
An inherited defect in the perception of red and green; red-green colorblindness.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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