sodium bicarbonate


Definition of sodium bicarbonate

: 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 This is an acid–base reaction, where baking soda (also called sodium bicarbonate) is a weak base and citric acid is a weak acid. Science Buddies, Scientific American, 8 May 2014 For instance, sodium bicarbonate is baking soda, which cuts through grease. Washington Post, 7 July 2021 An initial chemical reaction of sodium bicarbonate and citric acid with water produces the carbon dioxide gas that powers the rocket. Scientific American, 19 Oct. 2017 Another option is a mixture of water and sodium bicarbonate (baking soda). Ryan Prior, CNN, 2 June 2020 One 1918-era doctor recommended that people sniff a boric acid and sodium bicarbonate (baking soda) powder to rinse out nasal passages. Washington Post, 5 May 2020 Prosecutors said in court documents that prices on the My Doctor Suggests website go up to $299.95 for a gallon of the silver solution, a mix of water, extract from silver wire and sodium bicarbonate, commonly known as baking soda. USA TODAY, 2 May 2020 Kalasho explains that baking soda, also known as sodium bicarbonate, has been used for decades as a home whitening remedy. Audrey Noble, Allure, 24 Apr. 2020 Potassium bicarbonate and sodium bicarbonate (baking soda) are acceptable for treating minor disease problems, but again need to be part of the overall procedure when treating tough diseases like Entomosporium on Photinia fraseri. Howard Garrett, Dallas News, 6 Feb. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sodium bicarbonate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of sodium bicarbonate

1885, in the meaning defined above

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Time Traveler for sodium bicarbonate

Time Traveler

The first known use of sodium bicarbonate was in 1885

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Dictionary Entries Near sodium bicarbonate

sodium biborate

sodium bicarbonate

sodium bichromate

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Statistics for sodium bicarbonate

Last Updated

30 Dec 2021

Cite this Entry

“Sodium bicarbonate.” Dictionary, Merriam-Webster, Accessed 25 Jan. 2022.

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sodium bicarbonate


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sodium bicarbonate


Kids Definition of sodium bicarbonate

sodium bicarbonate


Medical Definition of sodium bicarbonate

: 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

More from Merriam-Webster on sodium bicarbonate

Nglish: Translation of sodium bicarbonate for Spanish Speakers Encyclopedia article about sodium bicarbonate


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