/ Thesaurus / U Synonyms of u.s. national library of medicine Find synonyms for: Noun1. National Library of Medicine, United States National Library of Medicine, U.S. National Library of Medicineusage: the world's largest medical libraryWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: philanthropy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language