Water and Wastewater Terms Beginning F

A B C D E F G H I J K L M N O P Q R S T U V W Y Z

fluoridation (floor-uh-DAY-shun)

The addition of a chemical to increase the concentration of fluoride ions in drinking water to a predetermined optimum limit to reduce the incidence (number) of dental caries (tooth decay) in children. Defluoridation is the removal of excess fluoride in drinking water to prevent the mottling (brown stains) of teeth.