brain dead
brain·dead
adjective
1.
having irreversible loss of brain function as indicated by a persistent flat electroencephalogram
- “was declared brain dead”
Origin
From brain + dead. Coined by the Harvard physician Henry K. Beecher in the historical context of the Sixties counterculture and life extension technology of the late twentieth century.
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.