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English definition of “Chinese wall”

Chinese wall

noun [C]     (also firewall)
FINANCE a set of actions that a business , especially a financial institution , takes in order to prevent information that one department has from reaching another department that might illegally get an advantage from it: With Chinese walls , corporate advisers are kept separate from traders so price sensitive information is kept secret .
(Definition of Chinese wall noun from the Cambridge Business English Dictionary © Cambridge University Press)
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