/ Thesaurus / O Synonyms of order heliozoa Find synonyms for: Noun1. Heliozoa, order Heliozoa, animal orderusage: mostly freshwater protozoaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language