/ Thesaurus / A Synonyms of aspartic acid Find synonyms for: Noun1. aspartic acid, amino acid, aminoalkanoic acidusage: a crystalline amino acid found in proteins and occurring naturally in sugar beets and sugar caneWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: acerbity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language