/ Thesaurus / M Synonyms of mathematical relation Find synonyms for: Noun1. mathematical relation, relationusage: a relation between mathematical expressions (such as equality or inequality)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: abominable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language