trichroism: Meaning and Definition of

tri•chro•ism

Pronunciation: (trī'krō-iz"um), [key]
— n. Crystall.
  1. pleochroism of a biaxial crystal such that it exhibits three different colors when viewed from three different directions under transmitted light.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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