trichromacy
trich·ro·macy
noun
Origin
tri- + Ancient Greek χρῶμα (khrôma, “color”).
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.