carbonate

noun

Meaning

A salt or ester of carbonic acid, characterized by the presence of the carbonate ion (CO₃²⁻).

Limestone is a sedimentary rock composed primarily of the mineral calcite, which is calcium carbonate.
Many antacids contain carbonates like calcium carbonate or magnesium carbonate to neutralize stomach acid.

noun

Pronunciation: /ˈkɑːrbəneɪt/

A salt or ester of carbonic acid, characterized by the presence of the carbonate ion (CO₃²⁻).

Limestone is a sedimentary rock composed primarily of the mineral calcite, which is calcium carbonate.
Many antacids contain carbonates like calcium carbonate or magnesium carbonate to neutralize stomach acid.
The shells of marine organisms are often made of calcium carbonate.