Pir may refer to:
- Pir (Sufism), a Sufi teacher, spiritual leader
- Pir (Pilgrimage Site), a site in Persia, frequently one of the Zoroastrian faith
- Pir of the Britons, legendary king of the Britons
- Pir, Satu Mare, commune in Satu Mare County, Romania
PIR may refer to:
In science:
- Protein Information Resource, a major protein information database and bioinformatics resource
- Partners in Research, a Canadian charity dedicated to bio-medical research
- Parrot Intermediate Representation, part of Parrot virtual machine
- Passive infrared sensor, an often used part of a security system
- Polyisocyanurate, a plastic typically produced as a foam for thermal insulation
- Prosopographia Imperii Romani, an index of all persons mentioned in ancient literature from the Roman Republic to the Roman Empire
- Peak Information Rate
- Public Interest Registry, a not-for-profit corporation responsible for managing the . Pir ( Persian: (پیر literally "old " is a title for a Sufi master Pir was a Legendary king of the Britons according to Geoffrey of Monmouth 's History of the Kings of Britain. Pir is a comună of 1780 inhabitants situated in the Satu Mare County, which also includes Pir Piru Nou and Sărvăzel villages The Protein Information Resource (PIR located at Georgetown University Medical Center (GUMC is an integrated public Bioinformatics resource to support genomic Partners in Research is a Canadian charity, established in 1988, with the mission of educating citizens about the importance of Bio-medical Research The Parrot intermediate representation or PIR, previously called Intermediate code (IMC is one of the two assembly languages for the Parrot virtual machine. A Passive InfraRed sensor (PIR sensor is an Electronic device that measures Infrared (IR light radiating from objects in its field of view Description Polyisocyanurate, also referred to as PIR or ISO, is essentially an improvement on Polyurethane (PUR The Roman Republic was the phase of the ancient Roman civilization characterized by a Republican form of government a period which began with the overthrow of the The Roman Empire was the post-Republican phase of the ancient Roman civilization, characterised by an autocratic form of government and large territorial Information technology ( IT) as defined by the Information Technology Association of America (ITAA is "the study design development implementation support The Peak Information Rate is a Burstable Rate Set on Routers and/or Switches that allow Throughput Overhead Public Interest Registry is a not-for-profit corporation created by the Internet Society in 2002 to manage the. org top-level domain.
- Public Information Research, a non-profit corporation that maintains Namebase, an online database of citations to influential people
- Private information retrieval, a protocol that allows a user to retrieve an item from a server in possession of a database without revealing which item she is retrieving
In transportation:
Other:
- Parachute Infantry Regiment
- Post-Implementation Review
- Public Infrastructure Renewal, a ministry of the Government of Ontario
- The Price Is Right (US game show)
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