intrusion

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in·trude / inˈtroōd/ • v. 1. [intr.] put oneself deliberately into a place or situation where one is unwelcome or uninvited: he had no right to intrude into their lives she felt awkward at intruding on private grief. ∎  enter with disruptive or adverse effect: politics quickly intrude into the booklet. ∎  [tr.] introduce into a situation with disruptive or adverse effect: to intrude political criteria into military decisions risks reducing efficiency. 2. [tr.] Geol. (of igneous rock) be forced or thrust into (a preexisting formation): the granite may have intruded these rock layers. ∎  (usu. be intruded) force or thrust (igneous rock) into a preexisting formation.

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intrusionabrasion, Australasian, equation, Eurasian, evasion, invasion, occasion, persuasion, pervasion, suasion, Vespasianadhesion, cohesion, Friesian, lesion •circumcision, collision, concision, decision, derision, division, elision, envision, excision, imprecision, incision, misprision, precisian, precision, provision, scission, vision •subdivision • television • Eurovision •LaserVision •corrosion, eclosion, erosion, explosion, implosion •allusion, collusion, conclusion, confusion, contusion, delusion, diffusion, effusion, exclusion, extrusion, fusion, illusion, inclusion, interfusion, intrusion, obtrusion, occlusion, preclusion, profusion, prolusion, protrusion, reclusion, seclusion, suffusion, transfusion •Monaghan • Belgian •Bajan, Cajun, contagion, TrajanGlaswegian, legion, Norwegian, region •irreligion, religion •Injun • Harijan • oxygen • antigen •sojourn • donjon • Georgian •theologian, Trojan •Rügen •bludgeon, curmudgeon, dudgeon, gudgeon, trudgen •dungeon • glycogen • halogen •collagen • Imogen • carcinogen •hallucinogen • androgen •oestrogen (US estrogen) •hydrogen • nitrogen •burgeon, sturgeon, surgeon

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in·tru·sion / inˈtroōzhən/ • n. 1. the action of intruding: he was furious about this intrusion into his private life | unacceptable intrusions of privacy. ∎  a thing that intrudes: they oppose the excavations as an intrusion on their heritage. 2. Geol. the action or process of forcing a body of igneous rock between or through existing formations, without reaching the surface. ∎  a body of igneous rock that has intruded the surrounding strata.

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intruderBarbuda, barracuda, Bermuda, brooder, Buxtehude, colluder, deluder, excluder, intruder, Judah, Luda, Neruda, obtruder, Tudor •mouthbrooder •Buddha, do-gooder •Kaunda, Munda •judder, rudder, shudder, udder •numdah •asunder, blunder, chunder, hereunder, plunder, rotunda, sunder, thereunder, thunder, under, up-and-under, wonder •husbander • seconder • Shetlander •mainlander • Greenlander •Queenslander • midlander •Little Englander •Highlander, islander •Icelander • Hollander • lowlander •Newfoundlander • woodlander •colander • Canada • Kannada •ambassador • forwarder •birder, Gerda, girder, herder, murder

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intrudeallude, brood, collude, conclude, crude, delude, dude, elude, étude, exclude, extrude, exude, feud, food, illude, include, intrude, Jude, lewd, mood, nude, obtrude, occlude, Oudh, preclude, protrude, prude, pseud, pultrude, rood, rude, seclude, shrewd, snood, transude, unglued, unsubdued, who'd, you'd •habitude •magnitude • seafood • wholefood •Quaalude • postlude • interlude •Ermintrude • Gertrude • unvalued •prelude • quietude • hebetude •longitude • amplitude •similitude, verisimilitude •solitude • plenitude • finitude •decrepitude • turpitude • pulchritude •crassitude, lassitude •solicitude, vicissitude •attitude, beatitude, gratitude, latitude, platitude •exactitude • sanctitude • aptitude •rectitude • ineptitude • promptitude •fortitude • multitude • certitude •servitude • consuetude

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intrusion In geology, process in which rock material is forced or flows into spaces among other rocks to form intrusive rocks. An igneous intrusion, sometimes called a pluton, consists of magma that never reached the Earth's surface but filled cracks and faults, then cooled and hardened.

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in·trud·er / inˈtroōdər/ • n. a person who intrudes, esp. into a building with criminal intent.

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intrude XVI. — L. intrūdere, f. IN-1 + trūdere thrust.
So intrusion (leg.) thrusting oneself into an estate or benefice XIV; uninvited entrance or appearance XVI. — (O)F. or medL.

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Intrusion

of cockroachesLipton, 1970.

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intrusion See INTRUSIVE.