PR

PR (or P. R.) commonly stands for

• Public relations, a field concerned with maintaining public image
• Puerto Rico
• Proportional representation, a property of some voting systems

PR, P. R., Pr, or Pr. may also refer to:

Business and Organisations

• Pakistan Railways
• Party of Regions
• Payroll
• Philippine Airlines IATA airline designator
• The Princeton Review, an education company

Ecclesiastical

• Pastor
• Presbyter, which may also be abbreviated as "Prb." or "Pbr".
• Permanens Rector ("Permanent Rector")
• Pater, a title used in the Latin tradition referring to a priest/presbyter as a spiritual Father.

Computing

• Adobe Premiere Pro, software which uses "Pr" as its icon abbreviation
• Pagerank, a Google technology
• Performance Rating, a computing term by AMD
• Perpendicular recording, hard disk technology
• Project Reality, a modification of the Battlefield 2 game
• PR (complexity), a complexity class

Political party

• Republican Party of Albania

Military

• Parachute rigger, a former rank of the U.S. Navy
• Pershing Rifles

Science and medicine

• Pathogenesis-related, a type of plant proteins produced during a pathogen infection
• Peripheral resistance, in blood circulation, the resistance of the peripheral vasculature in systemic circulation
• Per rectum, in medicine
• Photorefractive effect
• Prandtl number, in physics and engineering
• Praseodymium, chemical element number 59 (abbreviated "Pr")
• Probability of release, a term used in neuroscience
• Progesterone receptor, a protein
• Propyl radicals, in organic chemistry

Mathematics

• Positive-real, in mathematics the defining property of positive-real functions
• PR (complexity), a complexity class

Places

• Paraná (state), Brazil (ISO 3166-2:BR)
• Parma (province) Italy (ISO 3166-2:IT)
• Port Richmond (disambiguation)
• Portuguese Republic
• PR postcode area, for Preston, Lancashire, United Kingdom
• Puerto Rico (island) (ISO 3166)

Sport

• Precisely Right, a synchronized skating team
• Punt returner, a position in American football
• Protected Ranking, a tennis term used in tournaments - see Glossary of tennis

Television

• Power Rangers, referred to as PR by fans
• P.R. (TV series), a Canadian television sitcom

Transportation

• Pennsylvania Railroad

Other

• Peer review
• Permanent residency, in immigration
• Permanent revolution, in politics
• Pizza Roll, a snack food
• Poste restante, a service where the post office holds mail until the recipient calls for it
• Press release
• Protestant Reformation
• Partisan Review, a defunct political and literary journal
• Pr., Estonian abbreviation for Proua, or Mrs.

See also

• P&R (disambiguation)

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