Definition of: denitrify

(dē·nī′trə·fī) v.t. ·fied, ·fy·ing
1. Chem. To remove nitrogen or its compounds from.
2. Bacteriol. To reduce (nitrates) to nitrites, nitrogen, or ammonia, as by certain bacteria. Also de·ni′trize.
—de·ni′tri·fi·ca′tion noun