What is "nitrified"

Nitrify \Ni"tri*fy\, v. t. [imp. & p. p. Nitrified; p. pr. & vb. n. Nitrifying.] [Niter + -fy: cf. F. nitrifer. See Niter.] (Chem.) To combine or impregnate with nitrogen; to convert, by oxidation, into nitrous or nitric acid; to subject to, or produce by, nitrification.

vb. (en-past of: nitrify)

1. v. convert into nitric acid, nitrous acid, or nitrate, especially with the action of nitrobacteria

2. treat with nitrogen or a nitrogen compound [syn: nitrogenize, nitrogenise]

3. treat (soil) with nitrates [ant: denitrify]

4. [also: nitrified]

See nitrify