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sodium hydroxide
noun
: a white brittle solid NaOH that is a strong caustic base used especially in making soap, rayon, and paper
Examples of sodium hydroxide in a Sentence
Recent Examples on the Web
The American Chemistry Council, the chemical industry’s largest lobbying group, said a 15-year transition period is needed to avoid a significant disruption of chlorine and sodium hydroxide supplies.
—Matthew Daly, San Diego Union-Tribune, 18 Mar. 2024
The natural oils are then mixed with either potassium hydroxide to create a liquid soap or sodium hydroxide to create a solid soap.
—Patricia Shannon, Southern Living, 6 Sep. 2024
For Christmas before his 7th birthday, Heman was given a chemistry set that came with a sample of sodium hydroxide.
—Jeffrey Kluger, TIME, 15 Aug. 2024
Removing them typically involves toxic reagents such as hydrofluoric acid, nitric acid, or sodium hydroxide.
—IEEE Spectrum, 17 June 2024
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Word History
First Known Use
1885, in the meaning defined above
Dictionary Entries Near sodium hydroxide
Cite this Entry
“Sodium hydroxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sodium%20hydroxide. Accessed 15 Dec. 2024.
Kids Definition
sodium hydroxide
noun
: a white brittle solid that is strongly alkaline and is used especially in making soap, rayon, and paper
Medical Definition
sodium hydroxide
noun
: a white brittle deliquescent solid NaOH that dissolves readily in water to form a strongly alkaline and caustic solution and that is used in pharmacy as an alkalizing agent
called also caustic soda
More from Merriam-Webster on sodium hydroxide
Britannica.com: Encyclopedia article about sodium hydroxide
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