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Dec 1, 2009
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cal'cium car'bonate




a white, crystalline, water-insoluble, tasteless powder, CaCO3, occurring in nature in various forms, as calcite, chalk, and limestone: used chiefly in dentifrices and polishes and in the manufacture of lime and cement.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

calcium carbidecalcium chloride
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