- any salt of hydrofluoric acid, containing the fluoride ion, F–
- any compound containing fluorine, such as methyl fluoride
WordReference Random House Learner's Dictionary of American English © 2026
fluor•ide /ˈflʊraɪd, ˈflɔr-/USA pronunciation
n. [uncountable]
WordReference Random House Unabridged Dictionary of American English © 2026- Chemistrya chemical compound containing fluorine.
fluor•ide
(flŏŏr′īd, flôr′-, flōr′-),USA pronunciation n. [Chem.]
- Chemistrya salt of hydrofluoric acid consisting of two elements, one of which is fluorine, as sodium fluoride, NaF.
- Chemistrya compound containing fluorine, as methyl fluoride, CH3F.
- fluor- + -ide 1820–30
Collins Concise English Dictionary © HarperCollins Publishers::
fluoride /ˈflʊəˌraɪd/ n
'fluoride' also found in these entries (note: many are not synonyms or translations):
cryolite
- fluorite
- fluorosis
- fluorspar
- hydrofluoric acid
- hydrogen fluoride
- benzotrifluoride
- benzyl fluoride
- bifluoride
- calcium fluoride
- chromic fluoride
- fluorapatite
- fluoridate
- fluoridation
- fluoridize
- fluoro-
- hexafluoride
- lithium fluoride
- potassium fluoride
- tachiol
- tetrafluoride
- tin difluoride
- trifluoride
- silver fluoride
- sodium fluoride
- stannous fluoride