bivalved
Học thuậtThân thiện
Definition
Adjective: * Having two valves or shells, especially describing the shell structure of certain mollusks. This term is primarily used in zoology and biology.
Examples
- The bivalved mollusks, such as clams and oysters, filter feed from the water.
- Under the microscope, we observed the bivalved carapace of the tiny crustacean.
- This fossil is clearly from a bivalved organism.
Advanced Usage
- The term is often used in technical descriptions to contrast with univalved (single-shelled) organisms like snails.
- It can be applied beyond mollusks to describe any organism or structure composed of two hinged parts, such as the shells of some brachiopods or seed pods in botany.
Variants and Related Words
- Bivalve (noun): An animal belonging to the class Bivalvia, characterized by a shell consisting of two hinged valves (e.g., a clam, scallop, or mussel).
- Oysters are edible bivalves.
- Bivalve (adjective): This is the more common adjectival form and is synonymous with "bivalved."
- We studied bivalve anatomy.
Synonyms
- Bivalve (adj.)
- Double-shelled
- Pelecypod (specifically for mollusks of the class Bivalvia)
Antonyms
- Univalved
- Single-shelled
Adjective
- used of mollusks having two shells (as clams etc.)