/ Thesaurus / T Synonyms of trichodesmium Find synonyms for: Noun1. trichodesmium, cyanobacteria, blue-green algaeusage: large colonial bacterium common in tropical open-ocean waters; important in carbon and nitrogen fixationWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: aversion Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language