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ammonia

1 of 1noun
/əˈmoʊniə/
1

a sharp-smelling gas made of nitrogen and hydrogen

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  • Ammonia has a strong, sharp odor that can irritate the eyes and throat.
  • Industrial plants produce ammonia on a large scale for fertilizers.
  • The laboratory smelled of ammonia after the experiment.
  • Ammonia gas is lighter than air and disperses quickly.
  • Inhaling concentrated ammonia can be dangerous.
2

a solution of ammonia gas dissolved in water, commonly called aqueous ammonia

  • The farmer applied ammonia to the soil to provide nitrogen.
  • Aqueous ammonia is less pungent than gaseous ammonia.
  • The chemist prepared a dilute ammonia solution for the reaction.
  • The experiment required adding a few drops of ammonia solution.
  • Strong ammonia solution can cause skin irritation if spilled.