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

And the ingestion of baking soda, or sodium bicarbonate, a legal technique that helps buffer acidity and neutralize interference with muscle contractions, is also widely used for short, intense races like the mile. —Jeré Longman, New York Times, 26 Feb. 2025

How Baking Soda In Beans Prevents Gas Not to get too complicated, but sodium bicarbonate, or baking soda, is a mildly alkaline compound that can neutralize acids by releasing bicarbonate ions, raising the pH of its environment. —Katie Rosenhouse, Southern Living, 31 Dec. 2024

Baking soda, or sodium bicarbonate, is a household ingredient with many uses. —Lindsey Desoto, Health, 27 Nov. 2024

Oral sodium bicarbonate tablets are commonly prescribed to patients with kidney disease to help treat metabolic acidosis (when acids build up in the body).11 Studies suggest this treatment can help prevent kidney disease from worsening. —Lindsey Desoto, Health, 27 Nov. 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