Daltonism
dal·to·nism
noun
1.
dichromacy characterized by a lowered sensitivity to green light resulting in an inability to distinguish green and purplish-red
Origin
From Dalton + -ism. Named after John Dalton (1766-1844), who suffered from the condition and conducted early research on it.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.