American English

Definition of fluoridation noun from the Oxford Advanced American Dictionary

 

fluoridation

 noun
noun
NAmE//ˌflɔrəˈdeɪʃn//
 
, NAmE//ˌflʊrəˈdeɪʃn//
 
[uncountable]
 
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the practice of adding fluoride to drinking water to prevent tooth decay
See the Oxford Advanced Learner's Dictionary entry: fluoridation