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.
Dentists such as Kenton Ross, who also serves as president of Arkansas' dental association, say the science supporting fluoride is indisputable. Samantha M. Wender, CBS News, 15 July 2025 In 1945, Grand Rapids became the first city in the U.S. to put fluoride in its water supply. Clara Hendrickson, Freep.com, 11 July 2025 However, fluoride isn't required to be listed on the label unless the label claims how much fluoride is in it. Julie Scott, Verywell Health, 28 June 2025 Florida adopted a law this month to ban fluoride in public drinking water, becoming the second state to do so after Utah. Elizabeth Crisp, The Hill, 28 May 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 25 Jul. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!