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Definition of bivalve
bivalve
/ˈbaɪ.vælv/
bi · valve
Plural:bivalves
bivalve Lexical Profile
CEFR
C1
Grade
8
Tier
2
Usage
Rare
bivalve Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
An aquatic mollusk belonging to the class Bivalvia, characterized by a laterally compressed body enclosed within a hinged shell consisting of two distinct parts, such as an oyster, clam, mussel, or scallop.
Example
"Marine biologists monitored the local estuary to assess how the resident bivalves were filtering pollutants from the water."
Synonyms
View all synonyms for bivalve• Rhymes for bivalve
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Word Origin & Etymology
Mid 17th century: from modern Latin 'bivalvis', from 'bi-' (two) + 'valva' (leaf of a folding door).
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Bivalve. In Wordmom Dictionary. Retrieved Oct 17, 2026, from https://wordmom.com/dictionary/bivalve