The Collaborative International Dictionary
                    Trichromic
                    
                        
                
                                                        Trichromic \Tri*chro"mic\, a. [Pref. tri- + Gr. ? color.] (Opt.) Of, pertaining to, or consisting of, three colors or color sensations.
                    Trichromic
                    
                        
                
                                                                    Trichromic \Tri*chro"mic\, a. [Pref. tri- + chromic.] (Chem.) Containing three atoms of chromium.
Wiktionary
                    trichromic
                    
                        
                
                                                                    a. 1 (context chemistry English) Containing three atoms of chromium. 2 Of or pertaining to three colours; trichromatic.