dichromatism

dichromatism definition - medical

di·chro·ma·tism (dī-krōˈmə-tĭzˌəm)

noun
  1. The state of being dichromatic.
  2. A form of colorblindness in which only two of the three fundamental colors can be distinguished due to a lack of one of the retinal cone pigments. Also called dichromatopsia, dyschromatopsia, parachromatopsia.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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