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Noun: fluoridation  ,flûr-i'dey-shun or ,flor-i'dey-shun
  1. The addition of a fluoride to the water supply (to prevent dental decay)
    "he opposed the inauguration of fluoridation";
    - fluoridization, fluoridisation [Brit]

Derived forms: fluoridations

Type of: addition

Encyclopedia: Fluoridation