Word Study
trichromic
CIDE DICTIONARY
trichromic, a. [Pref. tri- + Gr. color.].
Of, pertaining to, or consisting of, three colors or color sensations. [1913 Webster]
trichromic, a. [Pref. tri- + chromic.].
Containing three atoms of chromium. [1913 Webster]
For further exploring for "trichromic" in Webster Dictionary Online