/ Thesaurus / E Synonyms of exponential expression Find synonyms for: Noun1. exponential expression, formula, expressionusage: a mathematical expression consisting of a constant (especially e) raised to some powerWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: illegible Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language