a white, crystalline, water-soluble powder, NH4NO3, usually produced by reacting nitric acid with vaporous ammonia: used chiefly in explosives, fertilizers, freezing mixtures, and in the manufacture of nitrous oxide.
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Origin of ammonium nitrate
First recorded in 1880–85
Words nearby ammonium nitrate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for ammonium nitrate
a colourless highly soluble crystalline solid used mainly as a fertilizer and in explosives and pyrotechnics. Formula: NH 4 NO 3
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 ammonium nitrate
A colorless crystalline salt used in fertilizers, explosives, and solid rocket propellants. Chemical formula: NH4NO3.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.