Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
di·chro·ma·tism(dī-krō′mə-tĭz′əm) also di·chro·mism (-mĭz′əm)
1. The quality or condition of having or exhibiting two colors.
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 cone pigments.
di′cro·mat′ic (-măt′ĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
the state of being dichromic
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014