"Supercarbonate" is a word in ENGLISH

baykarb n sodium bicarbonate.

A carbonate in which but half the hydrogen of the acid is replaced by a positive element or radical, thus …

bikarbunátu n sodium bicarbonate.

Having an excessive proportion of carbonic acid; -- said of bicarbonates or acid carbonates.

Aerated salt; a white crystalline substance having an alkaline taste and reaction, consisting of sodium bicarbonate (see under Sodium.) It …

A preparation of bicarbonate of soda, tartaric acid, sugar, etc., variously flavored, for making an effervescing drink; -- called also …

Popularly, sodium carbonate or bicarbonate.

A prefix formerly much used to denote that the ingredient to the name of which it was prefixed was present …