carbonate (n.) Look up carbonate at Dictionary.com
1794, from French carbonate "salt of carbonic acid" (Lavoisier), from Modern Latin carbonatem "a carbonated (substance)," from Latin carbo (see carbon).
carbonate (v.) Look up carbonate at Dictionary.com
1805, "to form into a carbonate," from carbonate (n.) by influence of French carbonater "transform into a carbonate." Meaning "to impregnate with carbonic acid gas (i.e. carbon dioxide)" is from 1850s. Related: Carbonated; carbonating.