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.
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 Except the level of fluoride those respective cohorts were exposed to was many times that of anyone in the US. New Atlas, 30 Nov. 2025 The fluoride bill failed, but the ivermectin bill passed. Rosemary Westwood, NPR, 25 Nov. 2025 Although the study did not examine why people who were exposed to fluoridation had higher test scores in high school, Warren hypothesizes that having better dental health as a result of fluoride may have meant those individuals were less likely to be absent from school because of illness. Humberto Basilio, Scientific American, 19 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 11 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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