PID

PID or Pid may refer to:

Medicine

• Pelvic inflammatory disease or pelvic inflammatory disorder, an infection of the upper part of the female reproductive system
• Primary immune deficiency, disorders in which part of the body's immune system is missing or does not function properly
• Prolapsed intervertebral disc, commonly called a herniated disc

Science, technology and engineering

• BBC Programme Identifier, a unique identifier for a BBC television or radio programme brand, a season or series, or an individual episode
• OBD-II PIDs (on-board diagnostics parameter IDs), requests for data through an OBD connector in automotive repair
• Packet Identifier, a field in a MPEG transport stream packet
• Partial information decomposition, an extension of information theory
• Passive infrared detector, a passive infrared sensor
• Payload Interface Document (used on space engineering program for example)
• Persistent identifier, a long-lasting reference to a document, file, web page, or other object
• Phosphotyrosine-interacting domain, also known as phosphotyrosine-binding domain, a protein domain which bind to phosphotyrosine
• Photoionization detector, measures volatile organic compounds and other gases
• Physical Interface Device, a class of a USB device
• PID controller (proportional-integral-derivative controller), a control concept used in automation
• Piping and instrumentation diagram (P&ID), a diagram in the process industry which shows the piping of the process flow etc.
• Principal ideal domain, an algebraic structure
• Process identifier, a number used by many operating systems to identify a process

Organisations

• Police Intelligence Department, a staff department of the Singapore Police Force
• Political Intelligence Department (disambiguation), multiple organisations
• Politieke Inlichtingen Dienst (Political Intelligence Department), was the main security agency for the Dutch East Indies
• Prague Integrated Transport (Pražská integrovaná doprava – PID in Czech), an integrated public transport system in Prague
• Press Information Department, government department of Bangladesh

Other uses

• Pathways into Darkness, a 1993 video game by Bungie
• "Paul is dead", a 1960s urban legend that Paul McCartney was dead
• Pid (video game), a 2012 video game by Might and Delight
• Project Initiation Documentation, in project management
• Party identification, the political party with which an individual identifies
• Everett Pid Purdy (1904–1951), American athlete who played in both Major League Baseball and the National Football League
• P.I.D., Christian hip-hop group

See also

• PIDS (disambiguation)