Search Result for "extinction angle":
Wordnet 3.0

NOUN (1)

1. the angle from its axis that a crystal must be rotated before appearing maximally dark when viewed in polarized light;
[syn: angle of extinction, extinction angle]



WordNet (r) 3.0 (2006):

extinction angle
    n 1: the angle from its axis that a crystal must be rotated
         before appearing maximally dark when viewed in polarized
         light [syn: angle of extinction, extinction angle]