| bivalve | (noun) marine or freshwater mollusks having a soft body with platelike gills enclosed within two shells hinged together | Synonyms: lamellibranch, pelecypod |
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| dissolve | (noun) (film) a gradual transition from one scene to the next; the next scene is gradually superimposed as the former scene fades out | - |
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| helve | (noun) the handle of a weapon or tool | Synonyms: haft |
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| resolve | (noun) the trait of being resolute | Synonyms: firmness, firmness of purpose, resoluteness, resolution |
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| (noun) a formal expression by a meeting; agreed to by a vote | Synonyms: declaration, resolution |
| salve | (noun) anything that remedies or heals or soothes | - |
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| (noun) semisolid preparation (usually containing a medicine) applied externally as a remedy or for soothing an irritation | Synonyms: balm, ointment, unction, unguent |
| twelve | (noun) the cardinal number that is the sum of eleven and one | Synonyms: 12, dozen, XII |
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| univalve | (noun) a class of mollusks typically having a one-piece coiled shell and flattened muscular foot with a head bearing stalked eyes | Synonyms: gastropod |
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| valve | (noun) one of the paired hinged shells of certain molluscs and of brachiopods | - |
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| (noun) the entire one-piece shell of a snail and certain other molluscs | - |
| (noun) control consisting of a mechanical device for controlling the flow of a fluid | - |
| (noun) device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone | - |
| (noun) a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it | - |