Meaning of “brain drain” in the English Dictionary

british dictionary

"brain drain" in American English

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brain drainnoun [ C usually sing ]

us /ˈbreɪn ˌdreɪn/

the loss of many highly skilled and educated people from one country to another country

(Definition of “brain drain” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"brain drain" in Business English

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brain drainnoun [ S ]

uk us

HR, POLITICS a situation in which large numbers of educated and skilled people leave their own country or area to live and work in another one where they can earn more money or conditions are better:

There are fears that cuts in science funding could lead to a brain drain to the US.
Faced with a brain drain, the aerospace industry is thinking of creative ways to attract and keep talent.

(Definition of “brain drain” from the Cambridge Business English Dictionary © Cambridge University Press)