niter or nitre: see potassium nitrate potassium nitrate, chemical compound, KNO₃, occurring as colorless, prismatic crystals or as a white powder; it is found pure in nature as the mineral saltpeter, or niter. (The name saltpeter is also applied to sodium nitrate , although less frequently.
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saltpetre

or nitre also spelled saltpeter or niter

Transparent, colourless, or white powder or crystals of potassium nitrate (KNO₃), found native in deposits. It is a strong oxidizing agent (see oxidation-reduction), used in fireworks, explosives, matches, fertilizers, glassmaking, steel tempering, and food curing; as a reagent; and as an oxidizer in solid rocket propellants. The term is also used for sodium nitrate (Chile saltpetre) and calcium nitrate (lime saltpetre), both of which are used in the nitric acid industry and as fertilizers, and for ammonium nitrate (Norway saltpetre), a high explosive and fertilizer.

niter [′nīd·ər]

(inorganic chemistry)

potassium nitrate

niter (redirected from Potash niter)

saltpetre

niter
(redirected from Potash niter)