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[kuh n-strik-shuh n] /kənˈstrɪk ʃən/
the act of constricting.
the state of being constricted; tightness or inward pressure.
a constricted part.
something that constricts.
Phonetics. an articulated narrowing of the vocal tract that in consonants audibly obstructs the flow of air and in vowels defines an interconnection between or among resonance cavities.
Compare closure (def 6).
Origin of constriction
1350-1400; Middle English < Late Latin constrīctiōn- (stem of constrīctiō), equivalent to Latin constrīct(us) (see constrict) + -iōn- -ion
2. compression, contraction, stricture. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for constriction
  • Whether a similar constriction will happen after this current air campaign remains to be seen.
  • It feels rather liberating being unhitched from the constriction of an application's requirements.
  • All raptors hold small prey inside their feet and immobilize them by constriction.
  • The dens or odontoid process exhibits a slight constriction or neck, where it joins the body.
  • Pains in the neck and abdomen and constriction of the throat hardly played a part in her case.
  • Decongestants stimulate receptors located on the same vessels to cause constriction and lessen the congestion.
  • Stretching also made blood vessel tissue more sensitive to a cell protein that causes constriction.
  • Release from fear is freedom from constriction, natural deep breathing occurs as well as clear thinking.
  • When constriction did begin it went smoothly and quickly.
  • Any arbitrary legal constriction of that relevance is irrational, cruel, and barbaric.
British Dictionary definitions for constriction


a feeling of tightness in some part of the body, such as the chest
the act of constricting or condition of being constricted
something that is constricted
(genetics) a localized narrow region of a chromosome, esp at the centromere
Derived Forms
constrictive, adjective
constrictively, adverb
constrictiveness, noun
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 constriction

c.1400, from Latin constrictionem (nominative constrictio), noun of action from past participle stem of constringere "compress" (see constrain).

Online Etymology Dictionary, © 2010 Douglas Harper
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constriction in Medicine

constriction con·stric·tion (kən-strĭk'shən)

  1. The act of constricting or the state of being constricted.

  2. A feeling of tightness or pressure, as in the chest.

  3. A constricted or narrow part.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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