'Denitrify' definitions:

Definition of 'denitrify'

From: WordNet
verb
Remove nitrogen from; "Denitrify the soil" [ant: nitrify]

Definition of 'Denitrify'

From: GCIDE
  • Denitrify \De*ni"tri*fy\, v. t. [Pref. de- + nitrogen + -fy.] To deprive of, or free from, nitrogen. [1913 Webster]