Search Result for "dichroism": 
Wordnet 3.0

NOUN (1)

1. pleochroism of a crystal so that it exhibits two different colors when viewed from two different directions;


The Collaborative International Dictionary of English v.0.48:

Dichroism \Di"chro*ism\, n. [Gr. ? two-colored; di- = di`s- twice + ? color.] (Opt.) The property of presenting different colors by transmitted light, when viewed in two different directions, the colors being unlike in the direction of unlike or unequal axes. [1913 Webster]
WordNet (r) 3.0 (2006):

dichroism n 1: pleochroism of a crystal so that it exhibits two different colors when viewed from two different directions