'bicarb' definitions:

Definition of 'bicarb'

From: GCIDE

Sodium bicarbonate \Sodium bicarbonate\, a white crystalline substance, HNaCO3, with a slight alkaline taste resembling that of sodium carbonate. It is found in many mineral springs and also produced artificially,. It is used in cookery, in baking powders, and as a source of carbonic acid gas (carbon dioxide) for soda water. Called also baking soda, cooking soda, bicarbonate of soda, bicarb, saleratus, and technically, acid sodium carbonate, {sodium acid carbonate}, primary sodium carbonate, sodium dicarbonate, etc. [1913 Webster]