American English

Definition of grand mal noun from the Oxford Advanced American Dictionary


grand mal

NAmE//ˌɡrɑn ˈmɑl//
, NAmE//ˌɡrænˈmɑl//
[uncountable] (from French) (medical)
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a serious form of epilepsy in which someone becomes unconscious for fairly long periods compare petit mal
See the Oxford Advanced Learner's Dictionary entry: grand mal