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Meaning of ammonium nitrate

ammo'nium ni'trate

Pronunciation: [key]
— Chem. Chem.
  1. a white, crystalline, water-soluble powder, NHNO, usually produced by reacting nitric acid with vaporous ammonia: used chiefly in explosives, fertilizers, freezing mixtures, and in the manufacture of nitrous oxide.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.