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Noun: convulsion  kun'vúl-shun
  1. A sudden uncontrollable attack
    "convulsions of laughter";
    - paroxysm, fit
  2. Violent uncontrollable contractions of muscles
  3. A violent disturbance
    "the convulsions of the stock market";
    - turmoil, upheaval
  4. A physical disturbance such as an earthquake or upheaval

Derived forms: convulsions

Type of: attack, carry-on [Brit, informal], commotion, disruption, disturbance, flutter, hoo-ha [informal], hoo-hah [informal], hurly burly, ictus, kerfuffle [Brit, informal], raptus, seizure, song and dance [Brit, informal], to-do [informal], trouble

Encyclopedia: Convulsion