brain death
noun
: final cessation of activity in the central nervous system especially as indicated by a flat electroencephalogram for a predetermined length of time
Examples of brain death in a Sentence
Recent Examples on the Web
Technological advances in recent years have made it so that organ recovery can occur not only after brain death, but even circulatory death – what is known as a DCD donation.
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Graham Womack, Sacramento Bee, 28 Jan. 2025
At the emergency room, doctors observed symptoms consistent with brain death.
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Brandi D. Addison, Austin American-Statesman, 21 Oct. 2024
At the emergency room, doctors observed symptoms consistent with brain death and she was pronounced dead the next day.
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Amanda Lee Myers, USA TODAY, 17 Oct. 2024
Use can lead to severe headaches, a rise in body temperature, difficulty breathing, extreme drops in blood pressure and even brain death, according to the FDA.
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David Oliver, USA TODAY, 13 June 2024
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Word History
First Known Use
1921, in the meaning defined above
Dictionary Entries Near brain death
Cite this Entry
“Brain death.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/brain%20death. Accessed 10 Feb. 2025.
Kids Definition
brain death
noun
: the final stopping of activity in the central nervous system as indicated by an electroencephalogram showing no brain waves for a set length of time that is often used as a criterion for human death
brain-dead
adjective
ˈbrān-ˌded
Medical Definition
brain death
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
Legal Definition
brain death
nounˈbrān-ˌdeth
: the final stopping of activity in the central nervous system especially as indicated by a flat electroencephalogram for a usually statutorily predetermined period of time
More from Merriam-Webster on brain death
Nglish: Translation of brain death for Spanish Speakers
Britannica.com: Encyclopedia article about brain death
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