from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A person who can distinguish only two primary colors
from The Century Dictionary and Cyclopedia
- n. One who possesses only two of the three normal primary color-sensations; a red-blind or green-blind person. The term presupposes the correctness of the Young-Helmholtz theory of color-vision.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a person with any of the various forms of dichromacy
Sorry, no etymologies found.