Definition: "Win_9X" refers to a computer chip that allows computers running on Windows 9x operating systems to access and execute code written in other languages (such as C or Objective-C) when compiled into binary format. This enables developers to create cross-platform applications with limited memory limitations. Definition: The word "Win_9X" is used in the context of computer hardware, specifically referring to an advanced chip that can be integrated into a Windows operating system to allow software running on it to run programs written in other languages, such as C or Objective-C. This allows developers to create cross-platform applications with limited memory limitations and limited support for specific languages.