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- DictionaryBrain-dead/ˈbrānˌded/
adjective
- 1. having suffered brain death: "brain-dead patients"
adjective
Brain death is the permanent, irreversible, and complete loss of brain function, which may include cessation of involuntary activity necessary to sustain life. It differs from persistent vegetative state, in which the person is alive and some autonomic functions remain. It is also distinct from comas as long as some brain and bodily activity and function remain, and it is also not the same as the ... Wikipedia