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

Word History

First Known Use

1869, in the meaning defined above

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