[ floo r-i-deyt, flawr-, flohr- ]
/ ˈflʊər ɪˌdeɪt, ˈflɔr-, ˈfloʊr- /

verb (used with object), fluor·i·dat·ed, fluor·i·dat·ing.

to introduce a fluoride into: to fluoridate drinking water.

Origin of fluoridate

First recorded in 1945–50; back formation from fluoridation

Related forms

de·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. 2019

Examples from the Web for fluoridate

British Dictionary definitions for fluoridate


/ (ˈflʊərɪˌdeɪt) /


to subject (water) to fluoridation
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

Science definitions for fluoridate


[ flurĭ-dāt′ ]

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