/ Thesaurus / H Synonyms of heterokontae Find synonyms for: Noun1. Chrysophyceae, class Chrysophyceae, Heterokontae, class Heterokontae, classusage: all the yellow-green algae having flagella of unequal lengthWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language