[ih-ruhp-shuh n] /ɪˈrʌp ʃən/
a breaking or bursting in; a violent incursion or invasion.
Ecology. a sudden increase in an animal population.
1570s, from Middle French irruption or directly from Latin irruptionem (nominative irruptio) “a breaking in, bursting in, invasion,” noun of action from past participle stem of irrumpere, from assimilated form of in- “into, in, on, upon” (see in- (2)) + rumpere (see rupture (n.)). Frequently confused with eruption.
irruption ir·rup·tion (ĭ-rŭp’shən)
The act or process of breaking through to a surface.
[ih-ruhp-tiv] /ɪˈrʌp tɪv/ adjective 1. of, relating to, or characterized by . 2. or tending to . 3. Petrology. . /ɪˈrʌptɪv/ adjective 1. irrupting or tending to irrupt 2. of, involving, or causing irruption 3. (obsolete) (of igneous rocks) intrusive
1. Internal Revenue Service. abbreviation 1. (in the US) Internal Revenue Service 2. insulin resistance syndrome: a condition associated with diabetes mellitus in which higher than normal levels of insulin are present in the blood to compensate for the failure of normal insulin levels to perform their function also I.R.S., initialism of Internal Revenue Service, […]
International Rett Syndrome Association
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