Editing PID (section)

==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 Identifier (PID)|MPEG transport stream]] packet
<!--** Packet ID, used to identify audio/video streams in [[Digital Video Broadcasting]] (fails [[WP:DABACRO]], also may be duplicate of above)-->
* [[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