/ Thesaurus / D Synonyms of dreissena polymorpha Find synonyms for: Noun1. zebra mussel, Dreissena polymorpha, freshwater mussel, freshwater clamusage: inch long mollusk imported accidentally from Europe; clogs utility inlet pipes and feeds on edible freshwater musselsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language