fluoridation

From fluoride + -ation.

• Audio (US):

  (file)

• Rhymes: -eɪʃən

fluoridation (countable and uncountable, plural fluoridations)

1. (chemistry) The act or process of adding fluoride to something, especially water.

   Antonym: defluoridation

   Hyponym: water fluoridation

   • 2013 August 9, Douglas Main, “Israel Outlaws Water Fluoridation”, in Live Science‎^[1], retrieved 30 September 2013:

     Israel's decision to ban fluoridation follows a vote to preclude the practice in Portland, Ore., and Wichita, Kan. It was also recently overturned in Hamilton, the fourth most populous city in New Zealand.

   • 2025 March 28, “Utah becomes the first state to ban fluoride in public drinking water”, in CNN‎^[2], sourced from Associated Press:

     Proposed restrictions on fluoridation in New Hampshire, Tennessee and North Dakota were rejected. A measure in Kentucky to make fluoridation optional stalled in the state Senate.