The Collaborative International Dictionary
Azotizing
Azotize \Az"o*tize\, v. t. [imp. & p. p. Azotized (?); p. pr. & vb. n. Azotizing (?).] To impregnate with azote, or nitrogen; to nitrogenize.
Wiktionary
azotizing
vb. (present participle of azotize English)