bivalve
/'baivælv/
Definition
Noun:
- A marine or freshwater mollusk having a soft body with platelike gills enclosed within two shells (valves) hinged together. Examples include clams, oysters, mussels, and scallops.
Adjective:
- Used to describe mollusks that possess two shells. It refers to the anatomical characteristic of having a two-part, hinged shell.
Usage Examples
Noun:
- The scientist studied the bivalve found in the estuary.
- Oysters are a commercially important type of bivalve.
Adjective:
- Clams are bivalve mollusks.
- The bivalve shell was washed up on the beach.
Advanced Usage
- In scientific classification (taxonomy), the class Bivalvia comprises all bivalve mollusks.
- The fossil record shows that Bivalvia have existed for hundreds of millions of years.
Variants and Related Words
- Bivalved (Adjective): An alternative form meaning "having two valves or shells."
- The bivalved carapace of the crustacean was examined.
- Bivalvular (Adjective): A less common term with a similar meaning to bivalve.
- Bivalvia (Noun, plural): The scientific class name for all bivalves.
Synonyms
- Noun: Pelecypod, lamellibranch.
- Adjective: Pelecypod, lamellibranch.
Related Phrases and Terms
- Bivalve shell: The hard, protective two-part structure secreted by the animal.
- The bivalve shell can often be identified by its growth rings.
- Filter feeder: A common ecological role for bivalves, as they feed by filtering particles from water.
- As filter feeders, bivalves play a crucial role in water purification.
Adjective
-
used of mollusks having two shells (as clams etc.)
Noun
-
marine or freshwater mollusks having a soft body with platelike gills enclosed within two shells hinged together
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