Noun
bicarb (countable and uncountable, plural bicarbs)
(informal) Bicarbonate.
I have toned down the carbs but also have started sipping water with bicarb of soda. Source: Internet
If bicarb doesn't work, use Gumption, if you are not familiar with it, it is a non-abrasive paste cleaner in a plastic tub. Source: Internet
Put the flour, baking powder, bicarb, garam masala, sugar and a teaspoon of salt in a large bowl and mix to combine. Source: Internet
Combine the dry ingredients except the bicarb, then add to the wet mixture, stirring well to combine. Source: Internet