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Definition of Dreissena
1. Noun. Zebra mussels.
Exact synonyms: Genus Dreissena
Generic synonyms: Mollusk Genus
Group relationships: Family Unionidae, Unionidae
Member holonyms: Dreissena Polymorpha, Zebra Mussel
Generic synonyms: Mollusk Genus
Group relationships: Family Unionidae, Unionidae
Member holonyms: Dreissena Polymorpha, Zebra Mussel
Definition of Dreissena
1. n. A genus of bivalve shells of which one species (D. polymorpha) is often so abundant as to be very troublesome in the fresh waters of Europe.
Medical Definition of Dreissena
1.