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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.
Definition of INTRUSION. 1. : the act of intruding or the state of being intruded; especially: the act of wrongfully entering upon, seizing, or taking possession of the property of another.2. : the forcible entry of molten rock or magma into or between other rock formations; also: the intruded magma. See intrusion defined for kids. the act of intruding or the state of being intruded; especially: the act of wrongfully entering upon, seizing, or taking possession of the property of another. 2.