Trichromic \Tri*chro"mic\, a. [Pref. tri- + Gr. ? color.] (Opt.) Of, pertaining to, or consisting of, three colors or color sensations. [1913 Webster]
Trichromic \Tri*chro"mic\, a. [Pref. tri- + chromic.] (Chem.) Containing three atoms of chromium. [1913 Webster]