1. nitrification

noun. the oxidation of ammonium compounds in dead organic material into nitrates and nitrites by soil bacteria (making nitrogen available to plants).


  • oxidation
  • oxidisation

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2. nitrification

noun. the chemical process in which a nitro group is added to an organic compound (or substituted for another group in an organic compound).


  • chemical process
  • chemical action

Sentences with nitrification

1. Noun, singular or mass
These bacteria make up the majority of the species found in most soils, and also play a vital role in nitrification.

2. Adjective
Next, nitrification converts the ammonia into nitrite ions, which the plant roots absorb as nutrients.