Medical Dictionary
tonic–clonic
adj ton·ic–clon·ic \ˈtän-i(k)-ˈklä-nik\
Medical Definition of TONIC-CLONIC
: relating to, marked by, or being a generalized seizure that is initially tonic and then becomes clonic and is characterized by the abrupt loss of consciousness <tonic–clonic epilepsy> <tonic–clonic seizures>
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