fluoridation

[floor-i-dey-shuhn, flawr-, flohr-]
noun
the addition of fluorides to the public water supply to reduce the incidence of tooth decay.

Origin:
1900–05; fluoride + -ation

antifluoridation, noun, adjective
defluoridation, noun

fluorescent, fluoridation, fluoride.
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World English Dictionary
fluoridation (ˌflʊərɪˈdeɪʃən)
 
n
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 10th Edition
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American Heritage
Medical Dictionary

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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Example sentences
Some water needs no additional fluoridation to be effective against tooth decay.
The following are some commonly asked questions about fluoridation and its uses.
Community water fluoridation provides protection against tooth decay in populations with limited access to prevention services.
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