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irruptive

[ih-ruhp-tiv] /ɪˈrʌp tɪv/
adjective
1.
of, pertaining to, or characterized by irruption.
2.
irrupting or tending to irrupt.
3.
Petrology, intrusive.
Origin
1585-1595
1585-95; irrupt + -ive
Related forms
irruptively, adverb
unirruptive, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for irruptive
  • Species which exhibit irruptive growth are characterized by sharp peaks in population followed by sharp declines.
  • When food gets scarce, irruptive migration may occur.
  • There are theories that irruptive bird migrants are mostly food specialists and move based on food supply.
  • They are irruptive in that they will flock to areas with high rodent populations.
British Dictionary definitions for irruptive

irruptive

/ɪˈrʌptɪv/
adjective
1.
irrupting or tending to irrupt
2.
of, involving, or causing irruption
3.
(obsolete) (of igneous rocks) intrusive
Derived Forms
irruptively, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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