Chinese Wall

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Definition

Noun: 1. A physical and historical barrier: A very long, ancient defensive wall in northern China, originally built to protect against invasions. 2. A metaphorical barrier: A strict set of rules or procedures within an organization (especially in finance and law) designed to prevent the sharing of confidential information between different departments, thus avoiding conflicts of interest.

Usage
  • Literal, historical usage: Refers specifically to the Great Wall of China.
    • The Chinese Wall is one of the most impressive architectural feats in human history.
  • Figurative, business usage: Describes internal information barriers.
    • The investment bank maintains a Chinese Wall between its research analysts and its merger advisors to ensure objective advice.
Advanced Usage
  • "to erect/build a Chinese Wall": To establish strict information barriers.
    • After the scandal, the firm was forced to build a Chinese Wall between its trading and compliance divisions.
  • "a Chinese Wall between A and B": Specifies the departments being separated.
    • There must be a Chinese Wall between the legal team working for the plaintiff and the team working for the defendant, even within the same large law firm.
Variants and Related Words
  • Information barrier (n): A more modern and neutral term for the same concept as the figurative "Chinese wall."
  • Ethical wall (n): Another synonym used primarily in legal contexts to describe the same procedural barrier.
  • Firewall (n): In computing, a security system; used metaphorically in business similarly to "Chinese wall," but more focused on blocking external threats.
Synonyms
  • (For the figurative sense): Information barrier, ethical wall, confidentiality barrier, screen.
Notes on Usage
  • The term "Chinese Wall" for the internal barrier is considered by some to be an outdated and potentially culturally insensitive metaphor. In modern professional writing, terms like "information barrier" or "ethical wall" are often preferred.
  • When referring to the actual monument, "the Great Wall of China" is the standard and more precise term. "Chinese Wall" is an older or more general name for it.
Noun
  1. a fortification 1,500 miles long built across northern China in the 3rd century BC; it averages 6 meters in width

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