fluoride

noun

often attributive
1
: a compound of fluorine
2
: the monovalent anion of fluorine

Examples of fluoride in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
As a fluoride, it is also expected to come into much greater demand for molten salt reactors (MSRs). Prabhat Ranjan Mishra, Interesting Engineering, 12 Dec. 2025 Under his leadership, the CDC has been forced to replace decades of advances in science with conspiracy theories on vaccines, autism, HIV/AIDS, fluoride, Tylenol and even Wi-Fi. MSNBC Newsweek, 11 Dec. 2025 This isn’t caused by too little water or too much sun, but rather by the chemicals in tap water, such as fluoride and chlorine. Karen Brewer Grossman, Southern Living, 1 Dec. 2025 While Utah and Florida have cut fluoride completely, that doesn't mean the other 48 have full access. New Atlas, 30 Nov. 2025 See All Example Sentences for fluoride

Word History

First Known Use

1826, in the meaning defined at sense 1

Time Traveler
The first known use of fluoride was in 1826

Browse Nearby Words

Cite this Entry

“Fluoride.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fluoride. Accessed 20 Dec. 2025.

Kids Definition

fluoride

noun
flu·​o·​ride
ˈflu̇(-ə)r-ˌīd
: a compound of fluorine with another element or chemical group

Medical Definition

fluoride

noun
flu·​o·​ride ˈflu̇(-ə)r-ˌīd How to pronounce fluoride (audio)
1
: a compound of fluorine with a more electropositive element or radical
2
: the monovalent anion of fluorine
fluoride adjective

More from Merriam-Webster on fluoride

Last Updated: - Updated example sentences
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