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fluoridation

[floo r-i-dey-shuh n, flawr-, flohr-] /ˌflʊər ɪˈdeɪ ʃən, ˌflɔr-, ˌfloʊr-/
noun
1.
the addition of fluorides to the public water supply to reduce the incidence of tooth decay.
Origin
1900-1905
1900-05; fluoride + -ation
Related forms
antifluoridation, noun, adjective
defluoridation, noun
Can be confused
fluorescent, fluoridation, fluoride.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for defluoridation

fluoridation

/ˌflʊərɪˈdeɪʃən/
noun
1.
the addition of about one part per million of fluorides to the public water supply as a protection against tooth decay
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for defluoridation

fluoridation

n.

1904, from fluoride + -ation. In reference to adding traces of fluoride to drinking water as a public health policy, from 1949.

Online Etymology Dictionary, © 2010 Douglas Harper
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defluoridation in Medicine

fluoridation fluor·i·da·tion (flur'ĭ-dā'shən, flôr'-)
n.
The addition of a fluorine compound to drinking water for the purpose of reducing tooth decay.


fluor'i·date' v.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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