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fluoridate

[floo r-i-deyt, flawr-, flohr-]
verb (used with object), fluor·i·dat·ed, fluor·i·dat·ing.
  1. to introduce a fluoride into: to fluoridate drinking water.
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Origin of fluoridate

First recorded in 1945–50; back formation from fluoridation
Related formsde·fluor·i·date, verb (used with object), de·fluor·i·dat·ed, de·fluor·i·dat·ing.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for fluoridate

fluoridate

verb
  1. to subject (water) to fluoridation
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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

Word Origin and History for fluoridate

v.

1949, back-formation from fluoridation. Related: Fluoridated; fluoridating.

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Online Etymology Dictionary, © 2010 Douglas Harper

fluoridate in Science

fluoridate

[flurĭ-dāt′]
  1. To add fluorine or a fluoride to something, especially to drinking water in order to prevent tooth decay.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.