'Trichroism' definitions:
Definition of 'trichroism'
(from WordNet)
noun
Pleochroism of a crystal so that it exhibits three different colors when viewed from three different directions
Definition of 'Trichroism'
From: GCIDE
- Trichroism \Tri"chro*ism\, n. [Pref. tri- + Gr. ? color: cf. F. trichro["i]sme.] (Min.) The quality possessed by some crystals of presenting different colors in three different directions. [1913 Webster]