/ Thesaurus / O Synonyms of oedogonium Find synonyms for: Noun1. Oedogonium, genus Oedogonium, protoctist genususage: type genus of Oedogoniaceae; freshwater green algae having long unbranched filaments; usually free-floating when matureWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language