Definition of fluoride in English:

fluoride

Syllabification: fluor·ide
Pronunciation: /ˈflo͝orˌīd
 
, ˈflôrˌīd
 
/

noun

Chemistry
1A compound of fluorine with another element or group, especially a salt of the anion F or an organic compound with fluorine bonded to an alkyl group.
More example sentences
  • Highly substituted alkyl fluorides, perfluoroalkanes, are now used as artificial blood substitutes because of their oxygen transporting properties.
  • What Sanpaolesi had aimed to do was to consolidate the deteriorated surface of the marble by forming a layer of calcium, zinc and magnesium fluorides and silica gel on the marble surface.
  • Many elements form fluorides, however, that cannot be labeled covalent or ionic; these halides exhibit the characteristics of polymeric compounds.
1.1Sodium fluoride or another fluorine-containing salt added to water supplies or toothpaste in order to reduce tooth decay.
More example sentences
  • Like all the other dentists, Lester had learnt in dental school that fluoride reduces tooth decay.
  • There is overwhelming evidence that fluoride can substantially reduce tooth decay.
  • Use fluoride toothpaste as fluoride makes teeth stronger and more resistant to acid attacks.

Origin

early 19th century: from fluorine + -ide.

Definition of fluoride in: