/ Thesaurus / D Synonyms of docosahexaenoic acid Find synonyms for: Noun1. docosahexaenoic acid, omega-3 fatty acid, omega-3usage: an omega-3 fatty acid with 22 carbon atoms; found in fish (especially tuna and bluefish)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: heifer Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language