Pir

Pir or PIR may refer to:

Religion and history

• Pir (Sufism), a Sufi teacher, spiritual leader
• Pir (Zoroastrianism), pilgrimage site in Persia, typically Zoroastrian
• Pir of the Britons, legendary king of the Britons
• Prosopographia Imperii Romani, a collection of Latin inscriptions on notable Romans

Science

• Protein Information Resource, database and bioinformatics resource
• Partners in Research, Canadian bio-medical research charity
• Passive infrared sensor, detects infrared emission
• PIR (gene), for a human protein that is a possible transcriptional coregulator
• Polyisocyanurate, a plastic used for thermal insulation

Information technology

• Peak information rate
• Public Interest Registry, manages .org Internet domain
• Private information retrieval, without revealing what was retrieved
• Parrot intermediate representation, for the Parrot virtual machine

Places

• Pierre Regional Airport, South Dakota, U.S.
• Pir, East Azerbaijan, a village in East Azerbaijan Province, Iran
• Pir, Kerman, a village in Kerman Province, Iran
• Pir, Satu Mare, commune in Satu Mare County, Romania

Motorsport

• Phoenix International Raceway
• Portland International Raceway

Other

• Parachute infantry regiment, US airborne forces, e.g. 513th PIR
• Pittsburgh Industrial Railroad, reporting mark
• Performance Index Rating, a statistical formula used in basketball
• Pier 1 Imports, Texas retailer, NYSE symbol

See also

• Peer (disambiguation)
• Pirs (disambiguation)