Breadcrumb Home > Thesaurus > I Synonyms of isomer Find synonyms for: Noun 1. isomer, compound, chemical compound usage: a compound that exists in forms having different arrangements of atoms but the same molecular weight WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of isomer (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: jactation Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language