mad cow disease
Americannoun
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A degenerative neurologic disease of cattle, thought to be caused by infection-causing agents called prions, in which brain tissues deteriorate and take on a spongy appearance, resulting in abnormal behaviors and loss of muscle control. A variant form of Creutzfeldt-Jakob disease is transmitted to humans through the eating of infected cattle tissue.
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Also called bovine spongiform encephalopathy
Etymology
Origin of mad cow disease
1985–90
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.