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[in-ter-ven-shuh n] /ˌɪn tərˈvɛn ʃən/
the act or fact of intervening.
interposition or interference of one state in the affairs of another.
Origin of intervention
late Middle English
1375-1425; late Middle English < Late Latin interventiōn- (stem of interventiō) a coming between. See intervene, -tion
Related forms
interventional, interventionary, adjective
prointervention, adjective
reintervention, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for intervention
  • The intervention of performers introduces a complication of economic conditions which is in itself likely to be injurious.
  • No one can imagine non-intervention carried through so desperate and so consequential a war as this-Greenwood.
  • There is a chance that this intervention may not be necessary.
  • Periods when children may be sensitive to intervention, to the extent that they are important, will be better defined.
  • Although the name has more to do with marketing than divine intervention, so-called miracle fruit is pretty neat anyway.
  • intervention will result in only disturbing the natural balances and the consequences will be unknown.
  • But even if the fines were paid-and it's not clear that they were-his intervention came too late.
  • In a few countries intervention is stronger, up to the level of pervasive censorship.
  • Most intervention promised for the real economy so far has been virtual, repackaging existing spending.
  • Thus the motion should not be to stop foreign intervention, but rather to do it better.
British Dictionary definitions for intervention


the act of intervening
any interference in the affairs of others, esp by one state in the affairs of another
(economics) the action of a central bank in supporting the international value of a currency by buying large quantities of the currency to keep the price up
(commerce) the action of the EU in buying up surplus produce when the market price drops to a certain value
Derived Forms
interventional, adjective
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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Word Origin and History for intervention

early 15c., "intercession, intercessory prayer," from Middle French intervention or directly from Late Latin interventionem (nominative interventio) "an interposing," noun of action from past participle stem of Latin intervenire "to come between, interrupt," from inter- "between" (see inter-) + venire "come" (see venue).

Online Etymology Dictionary, © 2010 Douglas Harper
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intervention in Medicine

intervention in·ter·ven·tion (ĭn'tər-věn'shən)
Interference so as to modify a process or situation.

in'ter·vene' (ĭn'tər-vēn') v.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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