/ Thesaurus / D Synonyms of double decomposition Find synonyms for: Noun1. double decomposition, double decomposition reaction, metathesis, chemical reaction, reactionusage: a chemical reaction between two compounds in which parts of each are interchanged to form two new compounds (AB+CD=AD+CB)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language