What does "fluoride" mean?

A binary compound of fluorine and another element or radical.

Fluoride

Common synonyms include: alcohol, chemical, dental fluoride, fluoride compound, fluoride ion, fluoride salt.

/ˈflʊɚˌaɪd/ noun

noun ·Rare ·Advanced level

Noun

1
A binary compound of fluorine and another element or radical. countable, uncountable
2
a salt of hydrofluoric acid wordnet
3
A binary compound of fluorine and another element or radical.; Any of certain salts of hydrofluoric acid, such as the simple metallic ones. countable, uncountable
"However, too much fluoride produces a mottling effect on teeth. Large doses of fluoride are actually toxic."
4
The anionic form of a fluorine atom. countable, uncountable

"Please give her a fluoride treatment."

From fluor(ine) + -ide.