noun : CALCULUS
Source: WordNet 3.1
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1. (
) a hard lump produced by the concretion of mineral salts; found in hollow organs or ducts of the body; "renal calculi can be very painful" ;
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2. (
) an incrustation that forms on the teeth and gums ;
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3. (
) the branch of mathematics that is concerned with limits and with the differentiation and integration of functions ;
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