sodium fluoride
nounUS /ˌsoʊ.di.əm ˈflʊɹˌaɪd/
1
Chemistry, Inorganic chemistry, Medicine, Natural sciences, Pharmacology, Physical sciences, Sciences A crystalline salt NaF that is used in trace amounts in the fluoridation of drinking water and toothpastes, in metallurgy, as a flux, and as a pesticide.