sodium fluoride

noun

Definition of sodium fluoride 

: 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

First Known Use of sodium fluoride

1869, in the meaning defined above

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The first known use of sodium fluoride was in 1869

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sodium fluoride

noun

Medical Definition of sodium fluoride 

: 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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