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sodium fluoride
noun
: a poisonous crystalline salt NaF that is used in trace amounts in the fluoridation of drinking water and toothpastes, in metallurgy, as a flux, and as a pesticide
Examples of sodium fluoride in a Sentence
Recent Examples on the Web
On the packaging, this could look like sodium fluoride, stannous fluoride, or sodium monofluorophosphate.
—Jessica Booth, Parents, 10 Mar. 2024
Created by dentists, Spotlight’s key ingredient is sodium fluoride to protect against cavities and strengthen enamel.
—Barbara Bellesi Zito, Peoplemag, 13 Dec. 2023
This toothpaste features hydrated silica to remove stains and has the key ingredient sodium fluoride to prevent cavities and strengthen enamel.
—Danielle Zoellner, Verywell Health, 31 Jan. 2023
Additionally, the toothpaste is formulated with sodium fluoride, which works well to strengthen the enamel and prevent cavities.
—Danielle Zoellner, Verywell Health, 31 Jan. 2023
Sunlit Chemical, which turns 50 this year, also produces sodium fluoride for the dental industry and chemicals for other uses, including in the solar and steel-manufacturing industries.
—Russ Wiles, The Arizona Republic, 20 Jan. 2022
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Word History
First Known Use
1869, in the meaning defined above
Dictionary Entries Near sodium fluoride
Cite this Entry
“Sodium fluoride.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sodium%20fluoride. Accessed 23 Dec. 2024.
Kids Definition
sodium fluoride
noun
: a salt that is added in tiny amounts to drinking water and toothpastes to prevent tooth decay
Medical Definition
sodium fluoride
noun
: a poisonous crystalline salt NaF that is used in trace amounts in the fluoridation of drinking water, toothpastes, and oral rinses and in metallurgy, as a flux, as an antiseptic, and as a pesticide see luride
More from Merriam-Webster on sodium fluoride
Britannica.com: Encyclopedia article about sodium fluoride
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