carbonate
car·bon·ate /ˈkɑːbənət, ˈkɑːbənɪt, -neɪt $ ˈkɑːr-/
noun [uncountable and countable]
a salt (=chemical substance formed by an acid) that contains carbon and oxygen:
calcium carbonate
car·bon·ate /ˈkɑːbənət, ˈkɑːbənɪt, -neɪt $ ˈkɑːr-/
noun [uncountable and countable]a salt (=chemical substance formed by an acid) that contains carbon and oxygen: