bivalve
[ bahy-valv ]
/ ˈbaɪˌvælv /
noun
Also called lamellibranch. Zoology. any mollusk, as the oyster, clam, scallop, or mussel, of the class Bivalvia, having two shells hinged together, a soft body, and lamellate gills.
adjective
Botany. having two valves, as a seedcase.
Zoology. having two shells, usually united by a hinge.
having two similar parts hinged together.
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OTHER WORDS FROM bivalve
bi·val·vu·lar [bahy-val-vyuh-ler], /baɪˈvæl vyə lər/, adjectiveWords nearby bivalve
biuret, biuret reaction, bivalence, bivalent, bivalent chromosome, bivalve, bivane, bivariate, biventral, bivinyl, bivoltine
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
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British Dictionary definitions for bivalve
bivalve
/ (ˈbaɪˌvælv) /
noun
Also: pelecypod, lamellibranch any marine or freshwater mollusc of the class Pelecypoda (formerly Bivalvia or Lamellibranchia), having a laterally compressed body, a shell consisting of two hinged valves, and gills for respiration. The group includes clams, cockles, oysters, and mussels
adjective
Also: pelecypod, lamellibranch of, relating to, or belonging to the Pelecypoda
Also: bivalvate (baɪˈvælveɪt) biology having or consisting of two valves or similar partsa bivalve seed capsule
Derived forms of bivalve
bivalvular, adjectiveCollins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Scientific definitions for bivalve
bivalve
[ bī′vălv′ ]
Any of various mollusks of the class Bivalvia, having a shell consisting of two halves hinged together. Clams, oysters, scallops, and mussels are bivalves. The class Bivalvia is also called Pelecypoda, and was formerly called Lamellibranchia. Compare univalve.
The American Heritage® Science Dictionary
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