# PR

> Mediated Wiki article. Canonical URL: https://mediated.wiki/source/PR
> Markdown URL: https://mediated.wiki/source/PR.md
> Source: https://en.wikipedia.org/wiki/PR
> Source revision: 1351229569
> License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/)

{{wiktionary|PR|.pr}}
'''PR''', '''P.R.''', '''Pr''', '''pr''', or '''Pr.''' may refer to:{{tocright}}
==Arts, entertainment, and media==
* [''P.R.'' (TV series)](/source/P.R._(TV_series)), a Canadian television sitcom
* ''[Partisan Review](/source/Partisan_Review)'', a former political and literary journal
* ''[Perry Rhodan](/source/Perry_Rhodan)'', German science fiction series
* ''[Power Rangers](/source/Power_Rangers)'', an American television franchise based on ''Super Sentai''
* [Polskie Radio](/source/Polskie_Radio), Poland's national radio broadcasting organization

==Places==
* [PR postcode area](/source/PR_postcode_area), eleven postcode districts in UK
* [Paraná (state)](/source/Paran%C3%A1_(state)), a state in Brazil (ISO 3166-2:BR)
* [Parma](/source/Parma), a city in Italy (ISO 3166-2:IT)
* [Puerto Rico](/source/Puerto_Rico), a Caribbean territory (ISO 3166-1:PR)

==Politics==
* [Pakatan Rakyat](/source/Pakatan_Rakyat), an informal Malaysian political coalition
* [Party of Labour (Serbia)](/source/Party_of_Labour_(Serbia)) (''Partija rada''), a political party in Serbia
* [Proportional representation](/source/Proportional_representation), a property of some voting systems
* [Radical Party of Chile](/source/Radical_Party_of_Chile) (''Partido Radical''), 1863–1994
* [Radical Party of Chile (2018)](/source/Radical_Party_of_Chile_(2018)) (''Partido Radical de Chile'')
* [Republican Party of Albania](/source/Republican_Party_of_Albania), a political party in Albania

==Public relations==
* [Public relations](/source/Public_relations), the professional maintenance of a favorable public image by an organisation or person
* [Press release](/source/Press_release), a prepared statement given to the news media as a public-relations tool

==Religion==
* [Pastor](/source/Pastor), an ordained leader of a Christian congregation
* [Rector (ecclesiastical)](/source/Rector_(ecclesiastical)), or ''permanens rector'', of a parish

==Science, technology, and mathematics==
===Biology and medicine===
* Partial Response, a component of [Response Evaluation Criteria in Solid Tumors](/source/Response_Evaluation_Criteria_in_Solid_Tumors)
* [Pathogenesis-related](/source/Pathogenesis-related) proteins, produced by plants under pathogen attack
* ''[Penicillium roqueforti](/source/Penicillium_roqueforti)''
* ''Per rectum'', a [medical abbreviation](/source/List_of_medical_abbreviations%3A_P) meaning "administered rectally"
* [PR interval](/source/PR_interval), a measurement used in cardiology
* [PR-104](/source/PR-104)
* [Progesterone receptor](/source/Progesterone_receptor), a protein

===Computing===
* [PR (complexity)](/source/PR_(complexity)), a complexity class
* [pr (Unix)](/source/pr_(Unix)), Unix command to paginate or columnate files for printing
* [Adobe Premiere Pro](/source/Adobe_Premiere_Pro), software which uses "Pr" as its icon abbreviation
* [Pagerank](/source/Pagerank), a Google technology
* [Performance Rating](/source/Performance_Rating), a computing term by AMD
* [Project Reality](/source/Project_Reality), series of video games
* [Pull request](/source/Pull_request), part of distributed version control
* Part of the [YPbPr](/source/YPbPr) standard

===Mathematics===
* [PR (complexity)](/source/PR_(complexity)), a complexity class
* Pr(''E''), also P(''E''), the probability of an [event](/source/Event_(probability_theory)) ''E''
* pr<sub>''i''</sub>, a notation for the [scalar projection](/source/scalar_projection) onto the ''i''-th component
* [Positive-real function](/source/Positive-real_function), in mathematics
* [Proportional representation](/source/Proportional_representation), a property of some voting systems

===Other uses in science and technology===
* [Praseodymium](/source/Praseodymium), symbol Pr, a chemical element
* [Prandtl number](/source/Prandtl_number), in physics and engineering, typically denoted ''Pr''
* [Propyl](/source/Propyl) radicals or groups, denoted ''Pr'' in organic chemistry

==Sports==
* [Personal record](/source/Personal_record), an individual's best result in a particular event 
* [Pinch runner](/source/Pinch_runner), in baseball
* [Protected ranking](/source/Protected_ranking), a method of ranking tennis players coming back from injury
* [Punt returner](/source/Punt_returner), a position in American football

==Transportation==
* [Pakistan Railways](/source/Pakistan_Railways) (reporting mark PR)
* [Polregio](/source/Polregio) (formerly Przewozy Regionalne), a polish railway operator
* [Park and ride](/source/Park_and_ride), a type of car park with public transport connections
* [Philippine Airlines](/source/Philippine_Airlines) (IATA airline designation PR)
* ''[Poste restante](/source/Poste_restante)'', mail held for collection
* Brazil ([aircraft registration](/source/aircraft_registration) prefix PR)

==Other uses==
* [Pakistan Rangers](/source/Pakistan_Rangers), a paramilitary force of Pakistan
* [Parachute rigger](/source/Parachute_rigger), a former U.S. Navy rank
* [Permanent residency](/source/Permanent_residency)
* [Princess Royal (disambiguation)](/source/Princess_Royal_(disambiguation))
* [Product return](/source/Product_return)
* [Professor](/source/Professor)
* A US Navy hull classification symbol: [Patrol river gunboat (PR)](/source/List_of_patrol_vessels_of_the_United_States_Navy)
* {{Smallcaps all|PR}}, in linguistics, glossing abbreviation for [present tense](/source/present_tense)
* [Platonic relationship](/source/Platonic_relationship)

==See also==
* [P&R (disambiguation)](/source/P%26R_(disambiguation))

{{Disambiguation}}

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Adapted from the Wikipedia article [PR](https://en.wikipedia.org/wiki/PR) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/PR?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.