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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. 2018.
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Examples from the Web for intervention
Contemporary Examples
Historical Examples
  • There was no opportunity for its intervention while the melley lasted.

  • It is only by the intervention of a miracle that we can ever revisit the dear, lamented fields of Clwyd.

    Imogen William Godwin
  • The intervention of the retinue of Roderic was scarcely admitted.

    Imogen William Godwin
  • He prayed, too, that there might be no need for his intervention.

    St. Martin's Summer Rafael Sabatini
  • It is not an intervention of public interest that is usually welcomed.

    Herbert Hoover Vernon Kellogg
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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