[ ahy-suh-ster-ik ]
/ ˌaɪ səˈstɛr ɪk /
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Chemistry. having the same number of valence electrons in the same configuration but differing in the kinds and numbers of atoms.
Meteorology. having or showing equal atmospheric density.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for isosteric
/ (ˌaɪsəʊˈstɛrɪk) /
(of two different molecules) having the same number of atoms and the same number and configuration of valency electrons, as carbon dioxide and nitrous oxide
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