baking soda

1 ENTRIES FOUND:
baking soda noun
baking soda
noun
Britannica Dictionary definition of BAKING SODA
[noncount]
: a kind of salt that is used to make baked foods (such as cookies and breads) light and fluffy
◊ Baking soda is one of the ingredients in baking powder.
— called also bicarb, bicarbonate of soda, sodium bicarbonate