- brain death
- noundeath when respiration and other reflexes are absent; consciousness is gone; organs can be removed for transplantation before the heartbeat stops• Syn: ↑cerebral death• Hypernyms: ↑death
* * *noun: final cessation of activity in the central nervous system especially as indicated by a flat electroencephalogram for a predetermined length of time
* * *complete cessation of brain function as evidenced by absence of brain-wave activity on an electroencephalogram: sometimes used as a legal definition of death.[1965-70]
* * *brain death nounThe cessation of function of the brain, thought by some doctors to be the true indication of death, rather than the cessation of the heartbeat (also called cerebral or clinical death)• • •Main Entry: ↑brain
* * *a state in which someone’s brain has stopped working, so that they are in fact dead, even though a machine may continue to make their heart workThesaurus: specific medical conditionshyponym brain and nervous systemhyponym general words for illnesses, diseases and medical conditionssynonym
* * *brain death,1. death of the cerebral cortex, shown by flat tracings on the electroencephalograph; cerebral death: »
The Harvard panel urged that death be determined by “brain death”…even though the heart and other organs may continue to function by artificial means (New York Times).2. Figurative: »
A mild form of brain death occurs by Thursday or Friday, and people…have given up even the morning papers (Martha Nelson).
* * *n. irreversible brain damage causing the end of independent respiration, regarded as indicative of death
* * *noun [noncount]medical : the condition of having no brain function : the end of activity in the brain
* * *very serious damage to the brain that cannot be cured. A person who is suffering from brain death needs machines to keep them alive, even though their heart is still beating
a diagnosis of brain death
Useful english dictionary. 2012.