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ammonium nitrate

noun

, Chemistry.
  1. a white, crystalline, water-soluble powder, NH 4 NO 3 , usually produced by reacting nitric acid with vaporous ammonia: used chiefly in explosives, fertilizers, freezing mixtures, and in the manufacture of nitrous oxide.


ammonium nitrate

noun

  1. a colourless highly soluble crystalline solid used mainly as a fertilizer and in explosives and pyrotechnics. Formula: NH 4 NO 3


ammonium nitrate

  1. A colorless crystalline salt used in fertilizers, explosives, and solid rocket propellants. Chemical formula: NH 4 NO 3 .


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Word History and Origins

Origin of ammonium nitrate1

First recorded in 1880–85

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