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tonic spasm

noun, Medicine/Medical
1.
See under spasm (def 1).
Origin
1825-1835
1825-35

spasm

[spaz-uh m] /ˈspæz əm/
noun
1.
Pathology. a sudden, abnormal, involuntary muscular contraction, consisting of a continued muscular contraction (tonic spasm) or of a series of alternating muscular contractions and relaxations (clonic spasm)
2.
any sudden, brief spell of great energy, activity, feeling, etc.
Origin
1350-1400; Middle English spasme < Latin spasmus < Greek spasmós convulsion, derivative of spân to draw a sword or cord, wrench (off), convulse
Synonyms
2. fit, storm, flash, spurt.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for tonic-spasm

spasm

/ˈspæzəm/
noun
1.
an involuntary muscular contraction, esp one resulting in cramp or convulsion
2.
a sudden burst of activity, emotion, etc
Word Origin
C14: from Latin spasmus, from Greek spasmos a cramp, from span to tear
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 tonic-spasm

spasm

n.

c.1400, from Old French spasme, from Latin spasmus "a spasm," from Greek spasmos "a spasm, convulsion," from span "draw up, tear away, contract violently, pull," from PIE *spe- "stretch." Figurative sense of "a sudden convulsion" (of emotion, politics, etc.) is attested from 1817.

v.

1900, from spasm (n.). Related: Spasmed; spasming.

Online Etymology Dictionary, © 2010 Douglas Harper
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tonic-spasm in Medicine

spasm (spāz'əm)
n.

  1. A sudden involuntary contraction of a muscle or group of muscles.

  2. A muscle spasm.

tonic spasm n.
A continuous involuntary muscular contraction. Also called entasia.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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7
9
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