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irruption

[ ih-ruhp-shuhn ]
/ ɪˈrʌp ʃən /
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noun

a breaking or bursting in; a violent incursion or invasion.
Ecology. a sudden increase in an animal population.

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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

WORDS THAT MAY BE CONFUSED WITH irruption

eruption, irruption
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for irruption

Medical definitions for irruption

irruption
[ ĭ-rŭpshən ]

n.

The act or process of breaking through to a surface.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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