PSR may refer to:

Organizations

Pacific School of Religion The Pacific School of Religion (PSR) is a private Protestant seminary in Berkeley, California. It maintains covenantal relationships with the United Church of Christ, the United Methodist Church, and the Disciples of Christ, ensuring the scho ...

, Berkeley, California, US *

Palestinian Center for Policy and Survey Research The Palestinian Center for Policy and Survey Research (PSR) (ar: المركز الفلسطيني للبحوث السياسية والمسحية) is a Palestinian research organisation and think tank based in Ramallah established for "advancing scho ...

Physicians for Social Responsibility Physicians for Social Responsibility (PSR) is a physician-led organization in the US working to protect the public from the threats of nuclear proliferation, climate change, and environmental toxins. It produces and disseminates publications, p ...

, US ;Political parties: *

Revolutionary Socialist Party (Portugal) The Revolutionary Socialist Party ( pt, Partido Socialista Revolucionário, , or PSR) was a small left-wing party in Portugal, founded in 1978 after the merger of two Trotskyist parties: the Internationalist Communist League ( LCI) and the W ...

(''Partido Socialista Revolucionário'') *

Romanian Socialist Party (present-day) The Romanian Socialist Party ( ro, Partidul Socialist Român) is a political party in Romania formed as the Socialist Alliance Party (PAS) in 2003. It developed out of the wing of the Socialist Party of Labour (PSM) that objected to the merger ...

Places

* Abruzzo Airport (IATA airport code), near Pescara, Italy *

Pasir Ris MRT station Pasir Ris MRT station is an elevated Mass Rapid Transit (MRT) station on the East West line (EWL) in Pasir Ris, Singapore. Situated along Pasir Ris Central adjacent to Pasir Ris Bus Interchange and the White Sands Shopping Mall, it is the ...

(MRT station abbreviation), Singapore * Pioneer Scout Reservation, a Boy Scout camp in Ohio, US

Science and technology

Pulsar A pulsar (from ''pulsating radio source'') is a highly magnetized rotating neutron star that emits beams of electromagnetic radiation out of its magnetic poles. This radiation can be observed only when a beam of emission is pointing toward E ...

, a kind of star *

Primary radar A Primary radar (PSR Primary Surveillance Radar) is a conventional radar sensor that illuminates a large portion of space with an electromagnetic wave and receives back the reflected waves from targets within that space. The term thus refers to a r ...

Perimeter surveillance radar Perimeter surveillance radar (PSR) is a class of radar sensors that monitor activity surrounding or on critical infrastructure areas such as airports, seaports, military installations, national borders, refineries and other critical industry and th ...

Posthumous sperm retrieval Posthumous sperm retrieval (PSR) is a procedure in which spermatozoa are collected from the testes of a human corpse after brain death. There has been significant debate over the ethics and legality of the procedure, and on the legal rights of th ...

from dead men

Computing

* PHP Standard Recommendation * Predictive state representation of a system * Problem Steps Recorder, psr.exe, a Microsoft utility * Panel Self-Refresh in

Embedded DisplayPort DisplayPort (DP) is a digital display interface developed by a consortium of PC and chip manufacturers and standardized by the Video Electronics Standards Association (VESA). It is primarily used to connect a video source to a display device ...

Law enforcement and military

* US

Precision Sniper Rifle The Precision Sniper Rifle (PSR) was a program by United States Special Operations Command to replace all bolt-action sniper rifles in use by United States special operations snipers with a single bolt-action rifle chambered for a large caliber M ...

* PSR-90, a Pakistani Precision Sniper Rifle

Other uses

Portuguese Sign Language Portuguese Sign language () is a sign language used mainly by deaf people in Portugal Portugal, officially the Portuguese Republic, In recognized minority languages of Portugal: :* mwl, República Pertuesa is a country located on the Iber ...

(ISO 639-3 language code) *

Potential support ratio The potential support ratio (PSR) is the number of people age 15–64 per one older person aged 65 or older. This ratio describes the burden placed on the working population (unemployment Unemployment, according to the OECD (Organisatio ...

, in demographics *

Precision scheduled railroading Precision railroading or precision scheduled railroading (PSR) is a concept in freight railroad operations pioneered by E. Hunter Harrison in 1993, and adopted by nearly every North American Class I railroad. It shifts the focus from older practic ...

, also known as Precision railroading, a concept in

rail freight transport Rail freight transport is the use of railroads and trains to transport cargo as opposed to human passengers. A freight train, cargo train, or goods train is a group of freight cars (US) or goods wagons ( International Union of Railways) h ...

Price–sales ratio Price–sales ratio, P/S ratio, or PSR, is a valuation metric for stocks. It is calculated by dividing the company's market capitalization by the revenue in the most recent year; or, equivalently, divide the per-share stock price by the per-share ...

of stocks * Primitive Survival Rating, on the Discovery Channel TV series ''

Naked and Afraid ''Naked and Afraid'' is an American reality series that airs on the Discovery Channel. Each episode chronicles the lives of two survivalists who meet for the first time naked and are given the task of surviving a stay in the wilderness for 21 d ...

'' *

Principle of sufficient reason The principle of sufficient reason states that everything must have a reason or a cause. The principle was articulated and made prominent by Gottfried Wilhelm Leibniz, with many antecedents, and was further used and developed by Arthur Schopenha ...

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