Bypass can have several meanings. It always means: going round something in order to avoid it.

Bypass can also mean:

  • Bypass (computing), in computing, avoiding security features in hacking, or changing what one does in troubleshooting
  • Bypass (effect), in effects units, a switch that allows sound processing to be "turned off" to get a "dry", unprocessed sound output
  • Bypass (road), road or highway that goes round a town or village
  • Bypass (surgical), creating an alternate route for blood flow or food (e.g. a heart bypass)
    • Bypass surgery, specific types of surgical bypass
  • Bypass (telecommunications) can mean many things
  • Bypass (valve), in diving, a valve in rebreathers to bypass the flow rate control valve
  • Bypass duct, passage in turbofan aircraft engines that allows airflow to bypass the engine core
  • Bleach bypass, in film processing, an optical effect reducing saturation, increasing contrast, and giving a pastel look

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