monochromat

monochromate (ˌmɒnəʊˈkrəʊmeɪt)

/ (ˌmɒnəʊˈkrəʊmæt) /

noun

a person who perceives all colours as a single hue
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for monochromat

monochromat

[ mŏn′ə-krōmăt ]

n.

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