Found 2 items, similar to Dreissena polymorpha.
English → English (WordNet) Definition: Dreissena polymorpha Dreissena polymorpha n : inch-long mollusk imported accidentally from Europe; clogs utility inlet pipes and feeds on edible freshwater mussels [syn: zebra mussel]
English → English (gcide) Definition: Dreissena polymorpha Dreissena \Dreis"se*na\, prop. n. [NL. Named after Dreyssen, a Belgian physician.] (Zo["o]l.) A genus of bivalve shells of which one species (Dreissena polymorpha ) is often so abundant as to be very troublesome in the fresh waters of Europe. [1913 Webster]