fluoridation

noun

flu·​o·​ri·​da·​tion ˌflu̇rəˈdāshən How to pronounce fluoridation (audio)
ˌflōr-
ˌflȯr-
plural -s
: the addition of fluorine usually as a fluoride to something: such as
a
: the introduction of fluorine into rocks as indicated by the formation of such minerals as fluorite and topaz
b
: the adding of a fluoride to drinking water
fluoridation of public water supplies for prevention of tooth decay in children

Word History

Etymology

fluoride + -ation

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Cite this Entry

“Fluoridation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fluoridation. Accessed 24 Dec. 2025.

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