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[ster-ee-oh-ahy-suh-mer, steer-] /ˌstɛr i oʊˈaɪ sə mər, ˌstɪər-/
noun, Chemistry.
any of two or more isomers exhibiting stereoisomerism.
Origin of stereoisomer
First recorded in 1895-1900; stereo- + isomer Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for stereoisomer


/ˌstɛrɪəʊˈaɪsəmə; ˌstɪər-/
(chem) one of the isomers of a compound that exhibits stereoisomerism
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
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stereoisomer in Medicine

stereoisomer ster·e·o·i·so·mer (stěr'ē-ō-ī'sə-mər, stēr'-)
A molecule containing the same number and kind of atomic groupings as another but having a different spatial arrangement, thus exhibiting different properties.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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stereoisomer in Science
Any of two or more isomers having the same linkages between the atoms but differing in the way these atoms are arranged in space. There are two types of stereoisomers, geometric isomers and enantiomers. Compare structural isomer.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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