intrusion

American  

[in-troo-zhuhn] / ɪnˈtru ʒən /

noun

1. an act or instance of intruding.

2. the state of being intruded.

3. Law.

   1. an illegal act of entering, seizing, or taking possession of another's property.

   2. a wrongful entry after the determination of a particular estate, made before the remainderman or reversioner has entered.

4. Geology.

   1. emplacement of molten rock in preexisting rock.

   2. plutonic rock emplaced in this manner.

   3. a process analogous to magmatic intrusion, as the injection of a plug of salt into sedimentary rocks.

   4. the matter forced in.

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intrusion British  

/ ɪnˈtruːʒən /

noun

1. the act or an instance of intruding; an unwelcome visit, interjection, etc

   an intrusion on one's privacy

2. 1. the movement of magma from within the earth's crust into spaces in the overlying strata to form igneous rock

   2. any igneous rock formed in this way

3. property law an unlawful entry onto land by a stranger after determination of a particular estate of freehold and before the remainderman or reversioner has made entry

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intrusion Scientific  

/ ĭn-tro̅o̅′zhən /

1. The movement of magma through cracks in underground rocks within the Earth, usually in an upward direction.

2. ◆ Rocks that form from the underground cooling of magma are generally coarse-grained (because they cool slowly so that large crystals have time to grow) and are called intrusive rocks.

3. Compare extrusion

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Other Word Forms

• intrusional adjective

Etymology

Origin of intrusion

1250–1300; Middle English < Medieval Latin intrūsiōn- (stem of intrūsiō ), equivalent to Latin intrūs ( us ), past participle of intrūdere to intrude (equivalent to intrūd- verb stem + -tus past participle suffix, with dt < s ) + -iōn- -ion

Example Sentences

Ms Robinson-Murphy, a mother of two four-year-old twins, also feels the squeeze of work "intrusion" on her home life.

From BBC

“The sequence of events, Smith’s prior statements to Plaintiff, and the circumstances of the hotel intrusion all point to a pattern of predatory behavior rather than an isolated incident.”

From Los Angeles Times

But the series’ creator, Thomas Brandon, has a solution: a room at the Orphanage that is ordinarily used for the review of classified materials and which is insulated from all electronic intrusions.

From The Wall Street Journal

Reiterating her apology, Constance said: "It was never my intention to have Professor Jay be the subject of so much intrusion and attention and I very much regret that."

From BBC

"The Culture Secretary has met with individuals and families who have experienced this intrusion in the past and the government is committed to ensuring that these failings are never repeated," they said.

From BBC

Related Words

• encroachment
• imposition
• incursion
• interference
• intervention
• invasion