"You canker blossom!" 3 Shakespearean Insults
1904, from fluoride + -ation. In reference to adding traces of fluoride to drinking water as a public health policy, from 1949.
fluoridation fluor·i·da·tion (flur'ĭ-dā'shən, flôr'-)n. The addition of a fluorine compound to drinking water for the purpose of reducing tooth decay.