/ Thesaurus / H Synonyms of heterokontophyta Find synonyms for: Noun1. Heterokontophyta, division Heterokontophyta, divisionusage: algae having chlorophyll a and usually c, and flagella of unequal lengths; terminology supersedes Chrysophyta in some classificationsWordNet 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