"potassium nitrate." YourDictionary, n.d. Web. 11 October 2018. <http://www.yourdictionary.com/potassium-nitrate>.
potassium nitrate. (n.d.). Retrieved October 11th, 2018, from http://www.yourdictionary.com/potassium-nitrate
A white or colorless crystalline compound, KNO3, used to pickle meat and in the manufacture of pyrotechnics, explosives, matches, rocket propellants, and fertilizers. Also called niter . Also called saltpeter .