Calcium Carbonate
/ˈkæl.si.əm ˈkɑːr.bə.neɪt/noun
A chemical compound, CaCO₃, found naturally in limestone, chalk, marble, shells, and many mineral deposits.
Did you know?Ancient alchemists and natural philosophers encountered calcium carbonate as chalk, limestone, marble, and powdered shells long before modern chemistry identified its precise composition.
Etymological Timeline
Proto-Indo-European
PIE
*kelh₂-
“To strike, cut, or split; a proposed ancestral root connected with Latin terms for limestone and small stones.”
Classical Latin
Latin
calx
“Lime, limestone, or chalk; the source of the element name calcium.”
18th Century
New Latin
calcium
“The name coined from Latin calx for the metallic element obtained from lime compounds.”
Classical Latin
Latin
carbo
“Coal or glowing charcoal; the source of carbon and carbonate terminology.”
19th Century
Scientific Latin
carbonas
“A carbonate, a salt or ester associated with carbonic acid; formed from carbon with the chemical suffix -ate.”
Modern English
English
calcium carbonate
“The standard chemical name for CaCO₃, the principal mineral component of limestone, chalk, marble, shells, and eggshells.”