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optical isomerism

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optical isomerism

–noun Chemistry.
stereoisomerism in which the isomers are identical in molecular weight and most chemical and physical properties but differ in their effect on the rotation of polarized light.


Origin:
1890–95
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Medical Dictionary

Main Entry: optical isomerism
Function: noun
: stereoisomerism in which the isomers have different effects on polarized light and in which asymmetry of the molecule as awhole or the presence of one or more asymmetrical atoms is responsible for such effects
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

optical isomerism n.
Stereoisomerism involving the arrangement of substituents about an asymmetric carbon atom or atoms so that the various isomers differ in how they rotate a plane of polarized light.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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