Ophthalmology. pertaining to or affected with color blindness.
Photography. (of an emulsion) sensitive only to blue, violet, and ultraviolet rays.
showing or characterized by freedom from racial bias.

1850–55 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
Medical Dictionary

colorblind col·or·blind or col·or-blind (kŭl'ər-blīnd')
Partially or totally unable to distinguish certain colors.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
colorblind   (kŭl'ər-blīnd')  Pronunciation Key 
Unable to distinguish certain colors. Humans who are colorblind usually cannot distinguish red from green. Many animals, including cats and dogs, are colorblind and unable to distinguish more than a few colors.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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