Definition of ammonium nitrate in English:

ammonium nitrate

noun

Chemistry
  • A white crystalline solid used as a fertilizer and as a component of some explosives.

    Chemical formula: NH₄NO₃

    ‘In that investigation detectives arrested eight suspects across southern England and seized half a ton of ammonium nitrate, a chemical fertiliser used in many bomb attacks.’
    • ‘Therefore, ammonium nitrate is the preferred nitrogen fertilizer for topdressing where incorporation is impossible.’
    • ‘One popular explosive for industrial use is made from fertilizers like ammonium nitrate or urea, fuel oil, and nitric or sulfuric acid.’
    • ‘A stable form of nitrogen such as ammonium nitrate is recommended to reduce volatilization.’
    • ‘When the number of nodules is insufficient to supply adequate nitrogen, it will be necessary to supply some nitrogen to the crop in the form of urea or ammonium nitrate.’

Pronunciation

ammonium nitrate

/əˈmōnēəm ˈnīˌtrāt/ /əˈmoʊniəm ˈnaɪˌtreɪt/