Definition of intrusion in English:

intrusion

Line breaks: in¦tru|sion
Pronunciation: /ɪnˈtruːʒ(ə)n
 
/

noun

[mass noun]
1The action of intruding: he was furious about this intrusion into his private life [count noun]: unacceptable intrusions of privacy
More example sentences
  • In her book, Cheryl is a vociferous critic of her treatment by journalists, accusing us of relentless intrusion into her privacy.
  • The intrusion into personal privacy is compounded by the failure to limit access to the data held and its further use for purposes other than confirming a person's identity, he said.
  • But each uptick in protection will typically come at the cost of more intrusion into the privacy of ordinary people.
Synonyms
encroachment on, trespass on, obtrusion into;
invasion of, incursion into, violation of, interruption of, intervention in, interference with, disturbance of, disruption of, infringement of, impingement on
1.1 [count noun] A thing that intrudes: villagers say the noise is an intrusion on their lives
More example sentences
  • Two ideas are rejected: An article on wind chimes is out because they are sources of noise pollution and intrusions on personal space, and one on airline food - yuck!
  • Our cities are awash in cars, so much so that we take their intrusions for granted - noise, dirt, smell and cost.
  • Traffic generates noise and pollution, and is an intrusion for many areas.
2 Geology The action or process of forcing a body of igneous rock between or through existing formations, without reaching the surface.
More example sentences
  • The associated magmatism resulted in intrusion of volcanic rocks into the sedimentary basins, magmatic underplating at the base of the crust, and large amounts of extrusive material.
  • Overthrusting, volcanism, and plutonic igneous intrusion were identified as originating above the subduction zone where one plate is forced beneath the edge of its neighbour.
  • Lower amphibolite-grade regional metamorphism predating intrusion of the Ballachulish Igneous Complex may have resulted in some monazite growth.
2.1 [count noun] A body of igneous rock which has intruded the surrounding strata.
More example sentences
  • Volcanic rocks of enormous thickness and deep-seated igneous intrusions from this period have created much of the geology of the Peruvian Andes.
  • Continental break-up produced voluminous extrusive volcanic deposits and associated igneous intrusions, and had a major impact on long-term climatic conditions in the early Tertiary.
  • In addition, volcanic rocks and intrusions of this age are distributed widely around the western and southern perimeter of the basin.

Origin

late Middle English (in the sense 'invasion, usurpation'): from medieval Latin intrusio(n-), from Latin intrudere 'thrust in' (see intrude).

Definition of intrusion in: