braindead

brain death

noun
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:
1965–70

brain-dead [breyn-ded] , adjective
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World English Dictionary
braindead (ˈbreɪnˌdɛd)
 
adj
1.  having suffered brain death
2.  informal not using or showing intelligence; stupid

brain death
 
n
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

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American Heritage
Medical Dictionary

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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American Heritage
Science Dictionary
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.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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