- an illegal act of entering, seizing, or taking possession of another's property.
- a wrongful entry after the determination of a particular estate, made before the remainderman or reversioner has entered.
- emplacement of molten rock in preexisting rock.
- plutonic rock emplaced in this manner.
- a process analogous to magmatic intrusion, as the injection of a plug of salt into sedimentary rocks.
- the matter forced in.
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Origin of intrusion
OTHER WORDS FROM intrusionin·tru·sion·al, adjective
Example sentences from the Web for intrusion
When she finally got around to doing it, the intrusions started soon after.
Critics of Israel will see the blue islands as Israeli intrusions into Palestine.
When it commits these intrusions itself it is the greatest of malefactors.The Religious Persecution in France 1900-1906|Jane Milliken Napier Brodhead
The symmetry of the scheme has been broken by intrusions or accidental omissions in the later history of the book.The Literature of the Old Testament|George Foot Moore
Thus at least they would have remained beyond the reach of his intrusions, his insults and his cruelty.The Outrage|Annie Vivanti
I'd have gone to my bed-room, sir, only that even there I could not have felt safe from his intrusions.Guy Deverell, v. 2 of 2|Joseph Sheridan Le Fanu
These are carbon which failed to crystallize with the rest of the diamond, or intrusions of titanic iron.The Wonder Book of Knowledge|Various
British Dictionary definitions for intrusion
- the movement of magma from within the earth's crust into spaces in the overlying strata to form igneous rock
- any igneous rock formed in this way