follow Dictionary.com

What's the "een" in Halloween?

optical rotation

noun, Physical Chemistry
1.
the angle at which the plane of polarized light is rotated when passed through an optically active substance.
Origin
1890-1895
1890-95
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for optical-rotation

optical rotation

noun
1.
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
Cite This Source
optical-rotation in Medicine

optical rotation n.
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.
Cite This Source

Word of the Day

Word Value for optical

11
14
Scrabble Words With Friends

Quotes with optical-rotation