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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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(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
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a crystalline compound, KNO3, produced by nitrification in soil, and used in gunpowders, fertilizers, and preservatives; saltpeter; niter.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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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)
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