complete cessation of brain function as evidenced by absence of brain-wave activity on an electroencephalogram: sometimes used as a legal definition of death.
expanding brain memeRead more in this article about some frequently asked questions and fun facts related to our definitions.
What parts of the brain distinguish words from sentences?In English class, your grade doesn’t differentiate between how large your vocabulary is and how well you write a sentence. But recent research shows that your brain does! This evidence may mean that increasing your vocabulary won’t necessarily influence fluency when learning a new language. Two parts of the brain, Broca’s area and Wernicke’s area, play a large part in processing language. Broca’s area has been linked …
- brain cell,
- brain child,
- brain concussion,
- brain coral,
- brain damage,
- brain drain,
- brain fart,
- brain fever,
- brain fingerprinting,
- brain freeze
Origin of brain death
First recorded in 1965–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
irreversible cessation of respiration due to irreparable brain damage, even though the heart may continue beating with the aid of a mechanical ventilator: widely considered as the criterion of death
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Irreversible brain damage and loss of brain function, as evidenced by cessation of breathing and other vital reflexes, unresponsiveness to stimuli, absence of muscle activity, and a flat electroencephalogram for a specific length of time.cerebral death
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Permanent brain damage resulting in loss of brain function, manifested by cessation of breathing and other vital reflexes, unconsciousness with unresponsiveness to stimuli, absence of muscle activity, and a flat electroencephalogram for a predetermined length of time. Patients who are brain-dead may still exhibit normal function of the heart, lungs, and other vital organs if they are receiving artificial life support.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.