[floor-i-deyt, flawr-, flohr-]
verb (used with object), fluoridated, fluoridating.
to introduce a fluoride into: to fluoridate drinking water.

1945–50; back formation from fluoridation

defluoridate, verb (used with object), defluoridated, defluoridating.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
fluoridate (ˈflʊərɪˌdeɪt)
to subject (water) to fluoridation

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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American Heritage
Science Dictionary
fluoridate   (flr'ĭ-dāt')  Pronunciation Key 
To add fluorine or a fluoride to something, especially to drinking water in order to prevent tooth decay.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
We already fluoridate the water to prevent dental caries.
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