transitive verb. To add a fluorine compound to (a drinking water supply, for example) for the purpose of reducing tooth decay.

transitive verb. To subject to fluoridation, as of water; to add fluoride to.

verb. To add fluoride to something, especially to drinking water in order to reduce tooth decay.

verb. subject to fluoridation; treat with fluoride

"Amazingly, the United States is only one of eight countries in the entire developed world that fluoridate more than 50 percent of their water supply."

fluoridation  fluorinate  

process  treat  

fluoridize  

fluoridated  fluoridates  fluoridating