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intr.v. ir·rupt·ed, ir·rupt·ing, ir·rupts
1. To break or burst in: The boys irrupted into the kitchen.
2. Ecology To increase rapidly in number, especially beyond the normal range: snowy owls that irrupted southward.

[Latin irrumpere, irrupt- : in-, in; see in-2 + rumpere, to break; see reup- in Indo-European roots.]

ir·rup′tion n.
References in periodicals archive ?
After his martyrdom, intense confrontations between young Palestinians and the IOF irrupted once again in Silwan.
Electronic cigarettes (e-cigarettes), the most common electronic nicotine delivery system , have irrupted in the past 5 years with sales volumes increasing considerably across the European Union.
The intensity of the wound has irrupted into that realm and made it imperative for me to find another plane beyond representation in which maybe I will discover a meaning for my "self" and my desire.
Broadly speaking, it is a discourse that irrupted from the underside of modernity, (2) located in the experiences of suffering and the historic struggle of the racially subjugated.
The match was also irrupted by rain twice, specially the second innings of play.
During EATWOT's first General Assembly, in New Delhi, India (1981), African theologian Mercy Amba Oduyoye proclaimed the "irruption within the irruption," referring to the entrance of women onto the Third World theological scene, which had so far been dominated by men, just as this first generation of Third World theologians had irrupted into the theological domain of the West.
Riek Machar in his public rally in Nazir, two months after conflict irrupted made it explicit to the innocent peace loving Jikeny community that he is fighting to restore Nth's historic pride.
In this choice, there is really no middle ground: If anti-black violence and anti-black (proto-) genocide are part of the structuring--that is, paradigmatic--logics of modern social formations, black studies is the historical activity through which this condition is demystified, apprehended, and potentially irrupted.
The emotional turn that irrupted in the study of social movements in the late 1990s is based on the premise that emotions are key for activism, since they "accompany all social action, providing both motivation and goals" (Jasper 1998, 397).
Sargeson's earlier no-nonsense rationalist certainty is displaced by a moment of insight, where the world writes back in response to language and makes the loquat in his hand the moment it is correctly represented: in this vision language has irrupted into the world, converting the world into a 'book' that may be read.
The three men, Yousef Sanei, Asadollah Bayat-Zanjani and Ali Mohammad Dastgheib Shirazi, have all criticized the regime and its repression of the protests that irrupted in the wake of the disputed presidential elections in 2009.
Hariri, who was with his family in Saudi Arabia for the Eid al-Fitr holiday when the latest political crisis irrupted, also highlighted the Saudi-Syrian role in reducing the tensions.