You searched for: “irruption
eruption, irruption
eruption (i RUP shuhn) (noun)
An incidence of violent explosion: The eruption of the volcano took everyone by surprise.
irruption (i RUP shuhn) (noun)
A violent incursion or sudden invasion: The irruption of the population of rats in the city caused the health officials to be very concerned.

The eruption of the volcano and subsequent destruction of the infrastructure in the city caused concern that there would be an irruption of disease in the city.

irruption (s), irruptions (pl) (nouns)
1. A breaking or bursting in; a violent incursion or invasion.
2. A sudden violent spontaneous occurrence (usually of some undesirable condition).
3. In ecology, a sudden increase in an animal population.
This entry is located in the following units: rupt-, -rupting, -ruption (page 4) -tion (page 16)