Dictionary.com
Thesaurus.com

stereoisomerism

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

noun

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


stereoisomerism British  
/ ˌstɛrɪəʊaɪˈsɒməˌrɪzəm, ˌstɛrɪəʊˌaɪsəˈmɛtrɪk, ˌstɪər-, ˌstɪər- /

noun

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

"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

Other Word Forms

  • stereoisometric adjective

Etymology

Origin of stereoisomerism

First recorded in 1890–95; stereo- + isomerism