Dictionary

calcium carbonate

noun

Definition of CALCIUM CARBONATE

:  a compound CaCO3 found in nature as calcite and aragonite and in plant ashes, bones, and shells and used especially in making lime and portland cement and as a gastric antacid

First Known Use of CALCIUM CARBONATE

1869

calcium carbonate

noun    (Medical Dictionary)

Medical Definition of CALCIUM CARBONATE

:  a calcium salt CaCO3 that is found in limestone, chalk, marble, plant ashes, bones, and many shells, that is obtained also as a white precipitate by passing carbon dioxide into a suspension of calcium hydroxide in water, and that is used in dentifrices and in pharmaceuticals as an antacid and to supplement bodily calcium stores

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