ammonification definition
Medical Definition of AMMONIFICATION. 1. : the act or process of ammoniating. 2. : decomposition with production of ammonia or ammonium compounds especially by the action of bacteria on nitrogenous organic matter.â amÂ·moÂ·niÂ·fy \-ËfÄ«\ verb. ADVERTISEMENT.efinition of AMMONIFICATION. 1. : the act or process of ammoniating. 2.