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exclusion

[ik-skloo-zhuh n]
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noun
  1. an act or instance of excluding.
  2. the state of being excluded.
  3. Physiology. a keeping apart; blocking of an entrance.

Origin of exclusion

1375–1425; late Middle English < Latin exclūsiōn- (stem of exclūsiō), equivalent to exclūs(us) (past participle of exclūdere to shut out; see exclude) + -iōn- -ion
Related formsex·clu·sion·ar·y, adjectivenon·ex·clu·sion, nounpre·ex·clu·sion, nounself-ex·clu·sion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for exclusionary

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British Dictionary definitions for exclusionary

exclusion

noun
  1. the act or an instance of excluding or the state of being excluded
Derived Formsexclusionary, 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

Word Origin and History for exclusionary

adj.

1817, from exclusion + -ary.

exclusion

n.

c.1400, from Latin exclusionem (nominative exclusio), noun of action from past participle stem of excludere (see exclude).

Online Etymology Dictionary, © 2010 Douglas Harper

exclusionary in Medicine

exclusion

(ĭk-sklōōzhən)
n.
  1. Surgical isolation of a part or segment without removal from the body.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.