injury or harm, congenital or acquired, to the tissues of the brain resulting from inadequate oxygen supply, trauma, or other cause.
complete cessation of brain function as evidenced by absence of brain-wave activity on an electroencephalogram: sometimes used as a legal definition of death. noun 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 brain’-dead’ […]
a loss of trained professional personnel to another company, nation, etc., that offers greater opportunity. noun (informal) the emigration of scientists, technologists, academics, etc, for better pay, equipment, or conditions The departure of educated or talented persons for better pay or jobs elsewhere, as in The repression of free speech in Germany triggered a brain […]
prolonged mental fatigue.