isosteric

American

[ahy-suh-ster-ik] / ˌaɪ səˈstɛr ɪk /

adjective

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.

isosteric British

/ ˌaɪsəʊˈstɛrɪk /

adjective

(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

Etymology

Origin of isosteric

1860–65; iso- + Greek ster ( eós ) solid, hard + -ic

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023