(floo'(ŏ)-rīd‵ )

[fluor- + -ide]

A compound of fluorine, usually with a radical; a salt of hydrofluoric acid. Considerable evidence shows that some fluoride compounds prevent dental caries (tooth decay).

Topical fluoride applications are toxic if swallowed. Seek medical care immediately.

acidulated phosphate f.

ABBR: APF

hydrogen f.HF, a colorless corrosive gas used in industry as a source of fluorine and of hydrofluoric acid.

SEE: fluorine; hydrofluoric acid.

sodium f.

SEE: under sodium.

stannous f.SnF₂, a fluoride compound applied topically to the teeth to prevent dental caries (tooth decay).