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Chinese Wall

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noun Informal.
  1. Great Wall of China.
  2. an insuperable barrier or obstacle, as to understanding.
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Origin of Chinese Wall

First recorded in 1905–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for chinese wall

Historical Examples

  • But the Chinese-wall blockade was tripartite; not confined to closing of the ocean ports.

    Four Years in Rebel Capitals

    T. C. DeLeon


British Dictionary definitions for chinese wall

Chinese wall

noun
  1. a notional barrier between the parts of a business, esp between the market makers and brokers of a stock-exchange business, across which no information should pass to the detriment of clients
  2. an insurmountable obstacle
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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