PBR may refer to:

Science and technology

Passive bistatic radar Passive radar systems (also referred to as passive coherent location, passive surveillance systems, and passive covert radar) encompass a class of radar systems that detect and track objects by processing reflections from non-cooperative sources of ...

* Partition boot record *

Pebble bed reactor The pebble-bed reactor (PBR) is a design for a graphite-moderated, gas-cooled nuclear reactor. It is a type of very-high-temperature reactor (VHTR), one of the six classes of nuclear reactors in the Generation IV initiative. The basic desi ...

, a type of nuclear reactor * Peripheral benzodiazepine receptor, another name for

translocator protein Translocator protein (TSPO) is an 18 kDa protein mainly found on the outer mitochondrial membrane. It was first described as peripheral benzodiazepine receptor (PBR), a secondary binding site for diazepam, but subsequent research has found the re ...

* Phosphorus bromide * Photobioreactor *

Policy-based routing In computer networking, policy-based routing (PBR) is a technique used to make routing decisions based on policies set by the network administrator. When a router receives a packet it normally decides where to forward it based on the destination ...

* Pusey-Barrett-Rudolph theorem about the reality of quantum states *

Physically based rendering Physically based rendering (PBR) is a computer graphics approach that seeks to render images in a way that models the flow of light in the real world. Many PBR pipelines aim to achieve photorealism. Feasible and quick approximations of the b ...

, a method used in computer graphics * Precariously balanced rock, another name for a

balancing rock A balancing rock, also called a balanced rock or precarious boulder, is a naturally occurring geological formation featuring a large rock or boulder, sometimes of substantial size, resting on other rocks, bedrock, or on glacial till. Some formati ...

Commerce

Petrobras Petróleo Brasileiro S.A., better known by the portmanteau Petrobras (), is a state owned enterprise, state-owned Brazilian multinational corporation in the petroleum industry headquartered in Rio de Janeiro, Brazil. The company's name transla ...

, Brazilian oil company, NYSE code *

Payment by Results Payment by Results (PbR) is a type of public policy instrument whereby payments are contingent on the independent verification of results. It is being actively promoted by a number of governments for more effective implementation of domestic policy. ...

Pre-Budget Report The Spring Statement of the British Government, also known as the "mini-budget", is one of the two statements HM Treasury makes each year to Parliament upon publication of economic forecasts, the second taking place the previous year as the Autum ...

, one of the two economic forecasts that HM Treasury is required to deliver to the UK Parliament each year

Military

Patrol Boat, River Patrol Boat, Riverine, or PBR, is the United States Navy designation for a small rigid- hulled patrol boat used in the Vietnam War from March 1966 until 1975. They were deployed in a force that grew to 250 boats, the most common craft in the ...

, a US Navy designation *

Plastic baton round A plastic bullet or plastic baton round (PBR) is a non-lethal projectile fired from a specialised gun. Although designed as a non-lethal weapon, they have caused a number of deaths when used incorrectly. Plastic bullets are generally used for ...

, a type of non-lethal projectile

Transport

Potters Bar railway station Potters Bar railway station serves the town of Potters Bar in Hertfordshire, England. It is located on the Great Northern Route north of London King's Cross railway station, London King's Cross on the East Coast Main Line. Potters Bar station ...

, Hertfordshire, England, National Rail station code *

Puffing Billy Railway The Puffing Billy Railway is a narrow gauge heritage railway in the southern foothills of the Dandenong Ranges in Melbourne, Australia. The railway was one of the five narrow gauge lines of the Victorian Railways which opened around the beg ...

, tourist railway in Melbourne, Australia

Other

Pabst Blue Ribbon Pabst Blue Ribbon, commonly abbreviated PBR, is an American lager beer sold by Pabst Brewing Company, established in Milwaukee, Wisconsin, in 1844 and currently based in San Antonio. Originally called Best Select, and then Pabst Select, the cu ...

, an American beer brand *

Parti Burkinabè pour la Refondation Parti may refer to: * Parti (surname), a Hungarian surname, and a list of people with the name * ''Parti'' (architecture), the organizing concepts behind an architect's design * *, a lake in Russia See also * Partie (disambiguation) * Party (disa ...

Pelita Bandung Raya Madura United Football Club is an Indonesian professional football club. The club is based in Pamekasan, Madura, East Java. They currently play in the Liga 1. Established on 10 January 2016, Madura United FC is one of few professional club ...

, a football club based in Bandung, Indonesia *

Performance-based regulation Performance-based regulation (PBR) is an approach to utility regulation designed to strengthen utility performance incentives. Thus defined, the term PBR is synonymous with incentive regulation. The two most common forms of PBR are award-penalty ...

of utilities *

Plant breeders' rights Plant breeders' rights (PBR), also known as plant variety rights (PVR), are rights granted to the breeder of a new variety of plant that give the breeder exclusive control over the propagating material (including seed, cuttings, divisions, tissue ...

over new varieties *

Professional Bull Riders The Professional Bull Riders, Inc. (PBR) is an international professional bull riding organization based in Pueblo, Colorado, United States. In the U.S., PBR events have been televised on CBS and CBS Sports Network since 2012. In 2013, the ...

, an international professional bull riding organization {{disambiguation