Univalve definition

yo͝onĭ-vălv
Having a shell consisting of a single valve or piece. Used of a mollusk.
adjective
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Composed of a single valve or piece. Used of a shell.
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A univalve mollusk; a gastropod.
noun
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A mollusk having a one-piece shell, as a snail.
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Such a one-piece shell.
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Designating or having a one-piece shell.
adjective
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Having one valve only.
adjective
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A gastropod, especially one with a single shell, such as a snail, cone, whelk, abalone, or limpet. Univalves belong to the subclass Prosobranchia. Their shells are usually spiral and can hold the whole animal inside.
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Having one valve, typically used to refer to mollusks, notably slugs and snails.
adjective
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Consisting of a single valve or piece, used to refer to a shell.
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A univalve mollusk or its shell.
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Other Word Forms

Noun

Singular:
univalve
Plural:
univalves

Origin of univalve

  • Originated 1655-65 from uni- (“one") +"Ž valve.

    From Wiktionary