[ˈflɔːrʌɪd], (Noun)

Definitions:
- a compound of fluorine with another element or group, especially salt of the anion F? or an organic compound with fluorine bonded to an alkyl group

- sodium fluoride or another fluorine-containing salt added to water supplies or toothpaste in order to reduce tooth decay


Phrases:

Origin:
early 19th century: from fluorine + -ide