- nitrification - the chemical process in which a nitro group is added to an organic compound (or substituted for another group in an organic compound)
--1 is a kind of chemical process, chemical change, chemical action
Derived form: verb nitrify2 - nitrification - the oxidation of ammonium compounds in dead organic material into nitrates and nitrites by soil bacteria (making nitrogen available to plants)
--2 is a kind of oxidation, oxidization, oxidisation
Derived forms: verb nitrify1, verb nitrify3