• synonyms


[ster-ee-oh-ahy-som-uh-riz-uh m, steer-]
noun Chemistry.
  1. the isomerism ascribed to different relative positions of the atoms or groups of atoms in the molecules of organic compounds.
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Origin of stereoisomerism

First recorded in 1890–95; stereo- + isomerism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for stereoisomerism


  1. chem isomerism caused by differences in the spatial arrangement of atoms in molecules
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Derived Formsstereoisometric (ˌstɛrɪəʊˌaɪsəˈmɛtrɪk, ˌstɪər-), adjective
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

stereoisomerism in Medicine


  1. Isomerism created by differences in the spatial arrangement of atoms in a molecule.
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Related formsster′e•o•i′so•meric (-ī′-sə-mĕrĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.