Ma'anar ƙamus na "nitrify" shine canza ammonia ko wasu mahadi na nitrogen zuwa nitrates ta hanyar aikin ƙwayoyin cuta na nitrifying, yawanci a cikin ƙasa ko ruwa. Wannan tsari muhimmin bangare ne na sake zagayowar nitrogen kuma yana da mahimmanci ga ci gaban tsirrai da yawa.
