/ Thesaurus Find synonyms for: Noun1. arithmetic, pure mathematicsusage: the branch of pure mathematics dealing with the theory of numerical calculationsAdjective1. arithmetical, arithmeticusage: relating to or involving arithmetic; "arithmetical computations"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.See also: arithmetic (Dictionary) Related Content Daily Word Quiz: transient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language Synonyms Index