sodium bicarbonate

noun

: a white crystalline weakly alkaline salt NaHCO₃ used especially in baking powders and fire extinguishers and in medicine as an antacid

called also baking soda, bicarbonate of soda

Examples of sodium bicarbonate in a Sentence

Recent Examples on the Web

The chemical formula of sodium bicarbonate is NaHCO3. —Lana Barhum, Verywell Health, 17 Aug. 2024

There’s one controversial ingredient that makes skin inhospitable for the bacteria, too: Baking soda, or sodium bicarbonate. —Adam Hurly, Robb Report, 1 Aug. 2024

Rinse with water, milk, or a sodium bicarbonate (baking soda) rinse after vomiting. —Ann Pietrangelo, Verywell Health, 30 July 2024

This is because baking soda (sodium bicarbonate) possesses properties that may neutralize pH imbalances on the skin and reduce inflammation, which are common causes of itching. —Debbie Wolfe, Popular Science, 27 May 2024

Word History

First Known Use

1885, in the meaning defined above

Kids Definition

sodium bicarbonate

noun

: a white weakly alkaline salt used especially in baking powders and fire extinguishers and in medicine as an antacid

called also baking soda, bicarbonate of soda

Medical Definition

sodium bicarbonate

noun

: a white crystalline weakly alkaline salt NaHCO₃ used in baking powders and in medicine especially as an antacid

called also baking soda, bicarb, bicarbonate of soda, sodium acid carbonate