extraordinary ray
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noun Optics, Crystallography.
the part of a doubly refracted ray that has changed speed and vibrations in the principal plane of the crystal.
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Origin of extraordinary ray
First recorded in1870–75
Words nearby extraordinary ray
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
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British Dictionary definitions for extraordinary ray
extraordinary ray
noun
optics the plane-polarized ray of light that does not obey the laws of refraction in a doubly refracting crystalCompare double refraction, ordinary ray
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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