Fluoridate (verb)

To add fluoride to (a water supply) to prevent tooth decay.

Origin:

From fluoride + -ate.

Examples:

1. The city decided to fluoridate the water supply.
2. Fluoridating the water supply can help prevent tooth decay.
3. The dentist recommended that the city fluoridate the water.
4. Some people are against fluoridating the water supply.
5. Fluoridating the water supply can reduce the cost of dental care.