intrusion

IPA: ɪntrˈuʒʌn

The forcible inclusion or entry of an external group or individual; the act of intruding.
(geology) Magma forced into other rock formations; the rock formed when such magma solidifies.
A structure that lies within a historic district but is nonhistoric and irrelevant to the district.
(phonology) The insertion of a phoneme into the pronunciation of a word despite its absence from the spelling. (e.g. intrusive r)

Examples of "intrusion" in Sentences

There wasn't a lot of what they call intrusion into the cabin.
Second, what does it say about ourselves if we think this kind of intrusion is acceptable?
Dr. Mausner said the newly office-less employees might be feeling both what he called intrusion anxiety and exposure anxiety.
It is the fashion of a modern school of historical writers to deplore what they call the intrusion of literature into history.
Those who say they were contacted to become informants express alarm at what they call intrusion in places of worship and private lives without reasonable cause.
Birth control pills are also condemned by Church doctrine, so how much power does the Church really want in intrusion into personal choice and state issues. – too much!
Canonists also extend the term intrusion to the keeping possession of a benefice by a hitherto lawful possessor, after it has been vacated by violation of certain decrees of the Church.
This week's intrusion from the outside world comes courtesy of Becky's mum and dad, whose discomfort in the flat is inevitably confounded by Steve's inability to not be an idiot: Are you sure you don't want a yoghurt?
The intrusion is minimal and the investigation is ongoing (that is, the police have no yet established that no laws are being broken — that is precisely what they are attempting to figure out by identifying the unknown man and determining if he is a trespasser).