Definition of brain drain noun from the Oxford Advanced Learner's Dictionary


brain drain

BrE BrE//ˈbreɪn dreɪn//
; NAmE NAmE//ˈbreɪn dreɪn//
[singular] (informal)
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the movement of highly skilled and qualified people to a country where they can work in better conditions and earn more money a brain drain to the US
See the Oxford Advanced American Dictionary entry: brain drain