Medical Dictionary

convulse

verb con·vulse \kən-ˈvəls\
con·vulsedcon·vuls·ing

Medical Definition of CONVULSE

transitive verb
:  to shake or agitate violently; especially :  to shake or cause to shake with or as if with irregular spasms <was convulsed with pain>
intransitive verb
:  to become affected with convulsions <some children will inevitably convulse when fever reaches a high point—H. R. Litchfield & L. H. Dembo>

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