grand mal

[ gran -mahl, -mal, grand; French grahn -mal ]
/ ˈgræn ˈmɑl, -ˈmæl, ˈgrænd; French grɑ̃ ˈmal /
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noun Pathology.

See under epilepsy.



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Origin of grand mal

1875–80; <French: great ailment, epilepsy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for grand mal

British Dictionary definitions for grand mal

grand mal
/ (ɡrɒn mæl, French ɡrɑ̃ mal) /


a form of epilepsy characterized by loss of consciousness for up to five minutes and violent convulsionsCompare petit mal

Word Origin for grand mal

French: great illness
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for grand mal

grand mal
[ grănd′ mäl, măl ]


A severe epilepsy characterized by seizures involving tonic-clonic spasms and by the loss of consciousness.generalized tonic-clonic epilepsy generalized tonic-clonic seizure disorder grand mal epilepsy major epilepsy
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.