[ ster-ee-oh-ahy-som-uh-riz-uh m, steer- ]
/ ˌstɛr i oʊ aɪˈsɒm əˌrɪz əm, ˌstɪər- /

noun Chemistry.

the isomerism ascribed to different relative positions of the atoms or groups of atoms in the molecules of organic compounds.

Origin of stereoisomerism

First recorded in 1890–95; stereo- + isomerism Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for stereoisomerism

/ (ˌstɛrɪəʊaɪˈsɒməˌrɪzəm, ˌstɪər-) /


chem isomerism caused by differences in the spatial arrangement of atoms in molecules

Derived forms of stereoisomerism

stereoisometric (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

Medical definitions for stereoisomerism

[ stĕr′ē-ō-ī-sŏmə-rĭz′əm ]


Isomerism created by differences in the spatial arrangement of atoms in a molecule.

Other words from stereoisomerism

ster′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.