convulsion Hear it!

convulsion definition

con·vul·sion (kən vul′s̸hən)

noun

  1. a violent, involuntary contraction or spasm of the muscles: often used in pl.
  2. a violent fit of laughter
  3. any violent disturbance, as a social upheaval or an earthquake

Etymology: L convulsio < convulsus: see convulse

Related Forms:

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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