noun Physical Chemistry.
the angle at which the plane of polarized light is rotated when passed through an optically active substance.
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Origin of optical rotation
First recorded in 1890–95
Words nearby optical rotation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for optical rotation
the angle through which plane-polarized light is rotated in its passage through a substance exhibiting optical activity
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for optical rotation
The change or rotation in the plane of polarization that occurs when polarized light is passed through an optically active substance.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.