The act, process, or outcome of combining with nitrogen or a few of its substances.
The work or procedure of oxidizing nitrogen or its compounds in order to form nitrous or nitric acid.
an ongoing process of oxidation, by which nitrogenous vegetable and pet matter in the presence of atmosphere, dampness, many fundamental substances, as lime or alkali carbonate, is converted into nitrates.
the procedure, induced by certain microbes, in which, the nitrogen of natural product into the soil is oxidized to nitric acid.
the oxidation of ammonium substances in lifeless organic material into nitrates and nitrites by earth bacteria (making nitrogen available to plants)
the substance procedure in which a nitro team is added to an organic compound (or substituted for another group in a natural ingredient)