/ Thesaurus / G Synonyms of genus chlorella Find synonyms for: Noun1. genus Chlorella, protoctist genususage: nonmotile unicellular green algae potentially important as source of high-grade protein and B-complex vitaminsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: apogee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language