Antonym: extrusion. Similar words: intrusive, obtrusive, unobtrusive, unobtrusively, intrude, in truth, fusion, allusion. Meaning: [ɪn'truːʒn] 
n. 1. any entry into an area not previously occupied 2. entrance by force or without permission or welcome 3. the forcing of molten rock into fissures or between strata of an earlier rock formation 4. rock produced by an intrusive process 5. entry to another's property without right or permission.
n. 1. any entry into an area not previously occupied 2. entrance by force or without permission or welcome 3. the forcing of molten rock into fissures or between strata of an earlier rock formation 4. rock produced by an intrusive process 5. entry to another's property without right or permission. 
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151. In the process of seawater intrusion, the mixture effects from seawater and freshwater are the complicated chemistry processes based on the mechanical mixture.
152. The DIDAPPER system presented in this paper is a distributed intrusion detector with apperception.
153. According to a computer virus intrusion system approach can be divided into source virus, computer virus virus, operating system viruses and shell viruses.
154. The results showed that three sources of saltwater intrusion were from the North Branch, the South Channel and the North Channel.
155. This paper proposes a new anomaly intrusion detection method based on support vector data description(SVDD ).
156. This paper analyses the current intrusion detection techniques, brings forward a technique that applies cluster algorithm to network intrusion detection, and shows the effect through an experiment.
157. The host rocks of the Mishuling intrusion consists of a grayish white porphyritic monzogranite-granodiorite-quartz diorite, in which mafic microgranular inclusions are well developed.
More similar words: intrusive, obtrusive, unobtrusive, unobtrusively, intrude, in truth, fusion, allusion, infusion, illusion, confusion, preclusion, conclusion, in conclusion, disillusion, draw a conclusion, introduction, introspection, abstruse, distrust, untrue, intrigue, intrinsic, intricate, intrigued, introduce, intriguing, intramural, introspect, frustration.