from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The resolution or splitting of a light wave into two unequally reflected or transmitted waves by an optically anisotropic medium such as calcite or quartz. Also called double refraction.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. the splitting of a ray of light into two parallel rays of perpendicular polarization by passage through an optically anisotropic medium
from The Century Dictionary and Cyclopedia
- n. Double refraction.
- n. The strength of the double refraction, that is, the difference between the two indices of refraction for a uniaxial crystal and that between the maximum and minimum indices for a biaxial crystal. See refraction, 1.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. splitting a ray into two parallel rays polarized perpendicularly
Sorry, no etymologies found.