Medical Dictionary
calcium carbonate
noun
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
Seen & Heard
What made you want to look up calcium carbonate? Please tell us where you read or heard it (including the quote, if possible).