PID

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PID may refer to:

Medicine[edit]

Business[edit]

  • Project Initiation Document, all major aspects of the project and forms the basis for its management and the assessment of overall success

Technology[edit]

  • Photoionization detector, measures volatile organic compounds and other gases
  • Process identifier, a number used by Unix kernels and Windows operating systems to identify a process
  • PID controller, a control concept used in automation. (Proportional/Integral/Derivative)
  • Piping and instrumentation diagram, (or Process and instrumentation diagram) a technical diagram showing all (or a part of) pipelines, instruments, valves, etc., of a process plant
  • Passive Infrared Detector, a PIR-based motion detector
  • Personal Integrating/Indicating Dosemeter, a type of dosimeter for personal use
  • Packet Identifier, a field in a MPEG transport stream packet.
  • Packet ID, used to identify audio/video streams in DVB "Digital Video Broadcasting"
  • Physical Interface Device, a class of USB devices.

Mathematics[edit]

Organizations[edit]

Other[edit]