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convulsion (n.)
1580s, "a violent and involuntary contraction of the muscular parts of the body," from Latin convulsionem (nominative convulsio) "cramp, convulsion," noun of action from past-participle stem of convellere "to tear loose," from assimilated form of com "with, together" (see con-) + vellere "to pluck, pull violently" (see svelte).
Meaning "any violent or irregular (social, political, etc.) motion, turmoil" is from 1640s. Of laughter, 1735. Related: Convulsions; convulsional.
updated on March 20, 2018
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Dictionary entries near convulsion
convoluted
convolution
convolve
convoy
convulse
convulsion
convulsive
cony
coo
cooch
coochie