noun ·Moderate ·College level

Definitions

Noun

1. 1
   A binary compound of fluorine and another element or radical. countable, uncountable
2. 2
   a salt of hydrofluoric acid wordnet
3. 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. 4
   The anionic form of a fluorine atom. countable, uncountable

Synonyms

All synonyms

alcoholchemicalfluatfluate

Example

More examples

"Please give her a fluoride treatment."

Etymology

From fluor(ine) + -ide.

Related phrases

actinium fluorideacyl fluoridealuminium fluorideammonium fluorideargentous fluoridearsenic tetrachloride fluorideberkelium fluorideberyllium fluoridecadmium fluoridecaesium fluoridecalcium fluoridecesium fluoride

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.