De fluoridation

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
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