Calcium-carbonate meaning

A colorless or white crystalline compound, CaCO3 , occurring naturally as chalk, limestone, marble, and other forms and used in a wide variety of manufactured products including commercial chalk, Portland cement, medicines, and dentifrices.
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A white or colorless crystalline compound occurring naturally in chalk, limestone, and marble and in the minerals calcite and aragonite. It is used to make toothpaste, white paint, and cleaning powder. Chemical formula: CaCO3.
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(inorganic chemistry) A colourless or white inorganic compound, CaCO3, occurring as chalk, limestone, marble etc; reacts with acids to liberate carbon dioxide.
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A white powder or colorless, crystalline compound, CaCO3, found mainly in limestone, marble, and chalk, as calcite, aragonite, etc., and in bones, teeth, shells, and plant ash: it is used in making lime, paints, plastics, etc.
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