un convulsive

con·vul·sive

[kuhn-vuhl-siv]
adjective
1.
of the nature of or characterized by convulsions or spasms.
2.
producing or accompanied by convulsion: convulsive rage.

Origin:
1605–15; < Latin convulsīvus. See convulse, -ive

con·vul·sive·ly, adverb
con·vul·sive·ness, noun
post·con·vul·sive, adjective
un·con·vul·sive, adjective
un·con·vul·sive·ly, adverb
un·con·vul·sive·ness, noun


1. spasmodic.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Un convulsive is always a great word to know.
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a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
Collins
World English Dictionary
convulse (kənˈvʌls) [Click for IPA pronunciation guide]
 
vb (often foll by with)
1.  (tr) to shake or agitate violently
2.  (tr) to cause (muscles) to undergo violent spasms or contractions
3.  informal to shake or be overcome (with violent emotion, esp laughter)
4.  (tr) to disrupt the normal running of (a country, etc): student riots have convulsed India
 
[C17: from Latin convulsus, from convellere to tear up, from vellere to pluck, pull]
 
con'vulsive
 
adj
 
con'vulsively
 
adv
 
con'vulsiveness
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

convulsive
1610s, from M.L. *convulsivus, from convuls-, pp. stem of convellere (see convulse (v.)) + -ive. Related: Convulsively.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

convulsive con·vul·sive (kən-vŭl'sĭv)
adj.

  1. Characterized by or having the nature of convulsions.

  2. Having or producing convulsions.

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