de-fluoridation

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noun

the addition of fluorides to the public water supply to reduce the incidence of tooth decay.

Origin:
1900–05; fluoride + -ation

Related forms

an·ti·fluor·i·da·tion, noun, adjective

de·fluor·i·da·tion, noun

Can be confused: fluorescent, fluoridation, fluoride.

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Link To de-fluoridation

Collins

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
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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00:10

De-fluoridation is always a great word to know.

So is bezoar. Does it mean:

a fool or simpleton; ninny.

a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.

LEARN MORE UNUSUAL WORDS WITH WORD DYNAMO...

American Heritage

Medical Dictionary

fluoridation fluor·i·da·tion (fl&oobreve;r'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.

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