CARBONATE is validvalid

to infuse with carbon dioxide to provide effervescence [v CARBONATED, CARBONATES, CARBONATING] : CARBONATION [n]

92,979 of 196,601 in NWL2023·also valid in CSW24

a salt of carbonic acid [n -S] / to combine or impregnate with carbon dioxide [v CARBONATED, CARBONATING, CARBONATES]