/ Thesaurus / E Synonyms of empirical formula Find synonyms for: Noun1. empirical formula, formula, chemical formulausage: a chemical formula showing the ratio of elements in a compound rather than the total number of atomsWordNet 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