| n. | 1. | (Chem.) A salt or carbonic acid, as in limestone, some forms of lead ore, etc. |
| Noun | 1. | carbonate - a salt or ester of carbonic acid (containing the anion CO3) |
| Verb | 1. | carbonate - treat with carbon dioxide; "Carbonated soft drinks" |
| 2. | carbonate - turn into a carbonate |