1794, from Fr. carbonate, from Mod.L. carbonatem "a carbonated (substance)," from L. carbo (see carbon). The old name for carbon dioxide was carbonic acid (1791), hence, carbonated "containing carbon dioxide" (1858).
A salt or ester of carbonic acid, containing the group CO3. The reaction of carbonic acid with a metal results in a salt (such as sodium carbonate), and the reaction of carbonic acid with an organic compound results in an ester (such as diethyl carbonate).
Any other compound containing the group CO3. Carbonates include minerals such as calcite and aragonite.
Sediment or a sedimentary rock formed by the precipitation of organic or inorganic carbon from an aqueous solution of carbonates of calcium, magnesium, or iron. Limestone is a carbonate rock.
Verb To add carbon dioxide to a substance, such as a beverage.