/ Thesaurus / M Synonyms of mathematical symbol Find synonyms for: Noun1. mathematical symbol, character, grapheme, graphic symbolusage: a character that is used to indicates a mathematical relation or operationWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: kiln Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language