PID or Pid may refer to:
Medicine
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Pelvic inflammatory disease or pelvic inflammatory disorder, an infection of the upper part of the female reproductive system
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Primary immune deficiency, disorders in which part of the body's immune system is missing or does not function properly
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Prolapsed intervertebral disc, commonly called a herniated disc
Science, technology and engineering
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BBC Programme Identifier, a unique identifier for a BBC television or radio programme brand, a season or series, or an individual episode
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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
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Partial information decomposition, an extension of
information theory
Information theory is the mathematical study of the quantification (science), quantification, Data storage, storage, and telecommunications, communication of information. The field was established and formalized by Claude Shannon in the 1940s, ...
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Passive infrared detector, a passive infrared sensor
* Payload Interface Document (used on space engineering program for example)
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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
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PID controller (proportional-integral-derivative controller), a control concept used in automation
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Piping and instrumentation diagram
A Piping and Instrumentation Diagram (P&ID) is a detailed diagram in the process industry which shows process equipment together with the instrumentation and control devices. It is also called as mechanical flow diagram (MFD).
Superordinate to t ...
(P&ID), a diagram in the process industry which shows the piping of the process flow etc.
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Principal ideal domain
In mathematics, a principal ideal domain, or PID, is an integral domain (that is, a non-zero commutative ring without nonzero zero divisors) in which every ideal is principal (that is, is formed by the multiples of a single element). Some author ...
, an algebraic structure
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Process identifier
In computing, the process identifier (a.k.a. process ID or PID) is a number used by most operating system kernel (operating system), kernels—such as those of Unix, macOS and Windows—to uniquely identify an active Process (computing), process. ...
, a number used by many operating systems to identify a process
Organisations
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Police Intelligence Department, a staff department of the Singapore Police Force
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Political Intelligence Department (disambiguation), multiple organisations
* ''
Politieke Inlichtingen Dienst'' (Political Intelligence Department), was the main security agency for the Dutch East Indies
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Prague Integrated Transport (''Pražská integrovaná doprava'' – PID in Czech), an integrated public transport system in Prague
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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
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''Pid'' (video game), a 2012 video game by Might and Delight
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Project Initiation Documentation, in project management
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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
See also
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PIDS (disambiguation)
{{disambiguation