noun Date: 1825 a salt (as Na 2 CO 3 NaHCO 3 2H 2 O) that is neither a simple normal carbonate nor a simple bicarbonate but often a combination of the two
SESQUICARBONATE
Meaning of SESQUICARBONATE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012