brain death

noun

medical : the condition of having no brain function : the end of activity in the brain

Full Definition of BRAIN DEATH

: final cessation of activity in the central nervous system especially as indicated by a flat electroencephalogram for a predetermined length of time

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1964

Medical Dictionary

noun

: final cessation of activity in the central nervous system especially as indicated by a flat electroencephalogram for a predetermined length of time

—brain–dead adjective

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