| 单词 | potassium nitrate |
| 释义 | potassium nitratenoun Chemistry.a crystalline compound, KNO3, produced by nitrification in soil, and used in gunpowders, fertilizers, and preservatives; saltpeter; niter. Origin of potassium nitrateFirst recorded in 1880–85 Words nearby potassium nitratepotassium hydrogen tartrate, potassium hydroxide, potassium iodide, potassium monophosphate, potassium myronate, potassium nitrate, potassium oxalate, potassium permanganate, potassium phosphate, potassium sodium tartrate, potassium sulfate Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for potassium nitratepotassium nitrate nouna 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: KNO 3Also called: saltpetre, nitre Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for potassium nitratepotassium nitrate A transparent, white, crystalline compound and strong oxidizing agent. It is used in gunpowder and fireworks, in making glass, and in fertilizer. Also called saltpeter. Chemical formula: KNO3. See also niter. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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