carbonate compound
nounUK /ˈkɑː.bə.neɪt ˈkɒm.paʊnd/
US /ˈkɑːr.bə.neɪt ˈkɑːm.paʊnd/
A carbonate compound is a material made of carbon and oxygen joined with a metal, like the chalk you write with.
Limestone is a carbonate compound that forms big cliffs by the sea.
OTHER MEANINGS
2. In chemistry, any salt or ester containing the carbonate ion CO3.
Sodium carbonate is a carbonate compound used to make glass.
3. A mineral group whose members contain the carbonate ion, such as calcite and dolomite.
Geologists study carbonate compounds to learn about ancient oceans.
4. A compound formed when carbon dioxide dissolves in a base.
The lab made a carbonate compound by bubbling carbon dioxide through limewater.