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1. Oxford American Dictionary

   convulsion

   • IPA[kənˈvəlSH(ə)n]

   美式

   • n.
     a sudden, violent, irregular movement of a limb or of the body, caused by involuntary contraction of muscles and associated especially with brain disorders such as epilepsy, the presence of certain toxins or other agents in the blood, or fever in children；uncontrollable laughter

   • noun: convulsion, plural noun: convulsions

2. • 釋義

   n.

   名詞

   • 1. a sudden, violent, irregular movement of a limb or of the body, caused by involuntary contraction of muscles and associated especially with brain disorders such as epilepsy, the presence of certain toxins or other agents in the blood, or fever in children toxic side effects like convulsions febrile convulsions 同義詞 fit, seizure, paroxysm, spasm, attack, ... 更多muscular contractions, throes, technicalictus
   • ▪ uncontrollable laughter the audience collapsed in convulsions 同義詞 fits of laughter, paroxysms of laughter, gales of laughter, peals of laughter, uncontrollable laughter, ... 更多informalhysterics, stitches
   • ▪ an earthquake or other violent or major movement of the earth's crust the violent convulsions of tectonic plates
   • 2. a violent social or political upheaval the convulsions of 1939–45 同義詞 upheaval, eruption, turmoil, turbulence, disruption, ... 更多agitation, disturbance, unrest, disorder, furor, upset, tumult, chaos, earthquake, cataclysm, storm, Sturm und Drang