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brain death

noun
1.
complete cessation of brain function as evidenced by absence of brain-wave activity on an electroencephalogram: sometimes used as a legal definition of death.
Origin
1965-1970
1965-70
Related forms
brain-dead
[breyn-ded] /ˈbreɪnˌdɛd/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for brain death

brain death

noun
1.
irreversible cessation of respiration due to irreparable brain damage, even though the heart may continue beating with the aid of a mechanical ventilator: widely considered as the criterion of death
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
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brain death in Medicine

brain death n.
Irreversible brain damage and loss of brain function, as evidenced by cessation of breathing and other vital reflexes, unresponsiveness to stimuli, absence of muscle activity, and a flat electroencephalogram for a specific length of time. Also called cerebral death.


brain'-dead' adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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brain death in Science
brain death  
Permanent brain damage resulting in loss of brain function, manifested by cessation of breathing and other vital reflexes, unconsciousness with unresponsiveness to stimuli, absence of muscle activity, and a flat electroencephalogram for a predetermined length of time. Patients who are brain-dead may still exhibit normal function of the heart, lungs, and other vital organs if they are receiving artificial life support.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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