| 释义 |
bi·valve
I. adjective
also bi·valved \(ˈ)bī+\
Etymology: bi- (I) + valve or valved
1. : having a shell composed of two usually movable valves that open and shut
< bivalve oysters >
< bivalve clams >
2. of a shell or capsule : having two valves
< the bivalve wall of a diatom >
3. : consisting of two corresponding movable pieces suggesting the shells of mollusks
< a bivalve speculum >
II. noun
(-s)
: an animal with a 2-valved shell; especially : a mollusk of the class Lamellibranchia (as a clam, mussel, or oyster) — compare univalve
III. transitive verb
Etymology: bi- (I) + valve
: to split (a cast) along one or two sides (as to renew surgical dressings or to restore circulation) |