/ Thesaurus / P Synonyms of patent ductus arteriosus Find synonyms for: Noun1. patent ductus arteriosus, ductus arteriosususage: a ductus arteriosus that failed to close at birth; may require surgical correctionWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language