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valve | one of the paired hinged shells of certain molluscs and of brachiopods | |
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valve | a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it | |
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valve | device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone | |
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valve | control consisting of a mechanical device for controlling the flow of a fluid | |
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valve | the entire one-piece shell of a snail and certain other molluscs |