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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, saltpeter.
(Elements & Compounds) a colourless or white crystalline compound used in gunpowders, pyrotechnics, fertilizers, and as a preservative for foods, esp as a curing salt for ham, sausages, etc (E252). Formula: KNO3. Also called: saltpetre or nitre
a crystalline compound, KNO3, produced by nitrification in soil, and used in gunpowders, fertilizers, and preservatives; saltpeter; niter.
A transparent, white, crystalline compound and strong oxidizing agent, KNO3. It is used in gunpowder and fireworks, in making glass, and in fertilizer. Also called saltpeter. See also niter.
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|Noun||1.||potassium nitrate - (KNO3) used especially as a fertilizer and explosive|
fertiliser, fertilizer, plant food - any substance such as manure or a mixture of nitrates used to make soil more fertile
nitrate - any compound containing the nitrate group (such as a salt or ester of nitric acid)