/ Thesaurus / N Synonyms of nucleic acid Find synonyms for: Noun1. nucleic acid, macromolecule, supermoleculeusage: (biochemistry) any of various macromolecules composed of nucleotide chains that are vital constituents of all living cellsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language