from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A transparent white crystalline compound, KNO3, used to pickle meat and in the manufacture of pyrotechnics, explosives, matches, rocket propellants, and fertilizers. Also called saltpeter.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. the potassium salt of nitric acid, KNO3; used in the production of nitric acid, as a food preservative, and is used in toothpaste for sensitive gums.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. (KNO3) used especially as a fertilizer and explosive
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