pleochroism

English Thesaurus

1. the phenomenon of different colors appearing when certain crystals are viewed from different directions (noun.phenomenon)

hypernym	:	optical phenomenon,
definition	:	a physical phenomenon related to or involving light (noun.phenomenon)

hyponym	:	dichroism,
definition	:	pleochroism of a crystal so that it exhibits two different colors when viewed from two different directions (noun.phenomenon)

hyponym	:	trichroism,
definition	:	pleochroism of a crystal so that it exhibits three different colors when viewed from three different directions (noun.phenomenon)