What does nitrification mean?
• NITRIFICATION (noun) The noun NITRIFICATION has 2 senses: 1. the chemical process in which a nitro group is added to an organic compound (or substituted for another group in an organic compound) 2. the oxidation of ammonium compounds in dead organic material into nitrates and nitrites by soil bacteria (making nitrogen available to plants) Familiarity information: NITRIFICATION used as a noun is rare.