irruption

American  

[ih-ruhp-shuhn] / ɪˈrʌp ʃən /

noun

1. a breaking or bursting in; a violent incursion or invasion.

2. Ecology. a sudden increase in an animal population.

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Etymology

Origin of irruption

1570–80; < Latin irruptiōn- (stem of irruptiō ), equivalent to irrupt ( us ), past participle of irrumpere to burst into ( see ir- ¹, rupture) + -iōn- -ion

Example Sentences

Irruption, ir-rup′shun, n. a breaking or bursting in: a sudden invasion or incursion.—adjs.

From Chambers's Twentieth Century Dictionary (part 2 of 4: E-M) by Various

The most verdant and fragrant Meadows may, from the too frequent Irruption of muddy Waters, degenerate into noxious Marshes, if some Care was not taken to divert those impure Gushings into their proper Channels.

From An Essay on the Antient and Modern State of Ireland by Brooke, Henry

Whereupon Charles having raised an Army, made an Irruption into France, and took several Cities by Composition.

From Franco-Gallia Or, An Account of the Ancient Free State of France, and Most Other Parts of Europe, Before the Loss of Their Liberties by Hotman, François

Circumstances which preceded the Second Irruption of the Buccaneers into the South Sea.

From History of the Buccaneers of America by Burney, James

Circumstances preceding the Second Irruption of the Buccaneers into the South Sea.

From History of the Buccaneers of America by Burney, James