Breadcrumb Home > Thesaurus > O Synonyms of order zygnematales Find synonyms for: Noun1. Zygnematales, order Zygnematales, Zygnemales, order Zygnemales, animal orderusage: pond scums; desmidsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. ✖ Related Content Daily Word Quiz: deracinate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language