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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 \-ËfÄ«\ verb. ADVERTISEMENT.efinition of AMMONIFICATION. 1. : the act or process of ammoniating. 2.
Omission is the act of leaving something out. It is usually  purposeful, but can sometimes be an accidental exclusion. Omission  can have negative connotations when it referâ¦s to a failure to do  one's duty or to be fully honest.