| univalve | <zoology> A shell consisting of one valve only; a mollusk whose shell is composed of a single piece, as the snails and conchs. most univalves are spiral and are the shells of gastropods, but many belong to cephalopods and pteropods. A large number of univalves belonging to the gastropods are conical, cup-shaped, or shieldlike, as the limpets. Origin: Uni- + valve: cf. F. Univalve. Source: Websters Dictionary (01 Mar 1998) |
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| univalved | <botany> Having one valve; as, a univalve shell or pericarp. Origin: Cf. F. Univalve. Source: Websters Dictionary (01 Mar 1998) |
| univalve | a class of mollusks typically having a one-piece coiled shell and flattened muscular foot with a head bearing stalked eyes |
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| univalve | (zoology) used of mollusks, especially gastropods, as snails etc. |
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