Simple Definition of baking soda

from our Learner's Dictionary

baking soda

noun

: a kind of salt that is used to make baked foods (such as cookies and breads) light and fluffy

Note: Baking soda is one of the ingredients in baking powder.

called also sodium bicarbonate

Cite this Entry

“Baking soda.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/baking%20soda. Accessed 24 Jun. 2026.

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