• WordNet 3.6
    • v nitrify treat (soil) with nitrates
    • v nitrify treat with nitrogen or a nitrogen compound
    • v nitrify convert into nitric acid, nitrous acid, or nitrate, especially with the action of nitrobacteria
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Webster's Revised Unabridged Dictionary
    • v. t Nitrify (Chem) To combine or impregnate with nitrogen; to convert, by oxidation, into nitrous or nitric acid; to subject to, or produce by, nitrification.
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Century Dictionary and Cyclopedia
    • nitrify To convert into niter.
    • nitrify To be converted into niter.
    • nitrify To impregnate (the soil) with nitrates in order to stimulate the growth of plants.
    • nitrify In bacteriology, to oxidize (ammonia compounds) to nitrites or (nitrites) to nitrates, by bacterial action.
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Chambers's Twentieth Century Dictionary
    • v.t Nitrify to convert into nitre
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Webster's Revised Unabridged Dictionary
Niter, + -fy,: cf. F. nitrifer,. See Niter
Chambers's Twentieth Century Dictionary
Fr.,—L. nitrum—Gr. nitron, natron, potash, soda—Ar. nitrún, natrún.


In literature:

The heating of soil to the same temperature effectually destroys its nitrifying power.
"Scientific American Supplement, Vol. XIX, No. 470, Jan. 3, 1885" by Various
The work of the nitrifying germs is called nitrification.
"The First Book of Farming" by Charles L. Goodrich
To this class of organism the nitrifying organisms belong.
"Manures and the principles of manuring" by Charles Morton Aikman