Function: noun
Date: 1869
: a poisonous 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
Function: noun
Date: 1869
: a poisonous 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
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012