calcium carbonate

noun

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.

Origin of calcium carbonate

First recorded in 1870–75

Words nearby calcium carbonate

calcium, calcium antagonist, calcium arsenate, calcium blocker, calcium carbide, calcium carbonate, calcium channel blocker, calcium chloride, calcium cyanamide, calcium cyanide, calcium cyclamate

British Dictionary definitions for calcium carbonate

calcium carbonate

noun

a white crystalline salt occurring in limestone, chalk, marble, calcite, coral, and pearl: used in the production of lime and cement. Formula: CaCO 3

Scientific definitions for calcium carbonate

calcium carbonate

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.