/ Thesaurus / N Synonyms of nutrient agar Find synonyms for: Noun1. agar, nutrient agar, culture medium, mediumusage: any culture medium that uses agar as the gelling agentWordNet 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