YourDictionary

What does PIR stand for?

Packaging Information Record (MCD)

Parachute Infantry Regiment - Military

Paragnostic Information Retrieval - Parapsychology

Parallel Injection Readout (IAA)

Parent in Room (TONE)

Partido de la Izquierda Revolucionaria - Party of the Revolutionary Left - Bolivia - Political party (PPW)

Party of Independent Republicans (SAUS)

Passive Infrared

Past in Review (EA)

Payload Integration Review (ACAE)

Peak Intensity Ratio - Spectroscopy

Pennsylvania International Raceway - Auto racing

Pennsylvania Rehabilitation Center, Johnstown, PA - OCLC symbol (OCLC)

People in Room - Internet lingo

Periodic Incremental Release - Physiology

Periodic Intelligence Report

Periodic Intelligence Review - Supreme Allied Commander, Atlantic (NATG)

Peripheral Insulin Receptor - Medicine (EDAA)

Personal Interview Record

Personnel Information Report (SAUS)

Personnel Information Roster - Military

Pesticide Ingredient Review Program - Chemical Specialties Manufacturers Association

Petrolite Irradiation Reactor

Philippine Independence Ribbon - Military decoration

Phoenix International Raceway

Photographic Intelligence Report - Military

Photographic Interpretation Report

Photo Interpretation Report - Air Force (AFM)

Photon-Induced x-Ray (SAUS)

Pier 1 Imports - NYSE symbol (SPSG)

Pierre - South Dakota - Airport symbol (OAG)

Pilot Request (SAA)

Piranha Marine - NCIC boat manufacturer code (NCIC)

Piratapuyo - Language code (ETLW)

Piriform (DB)

Pirmasens - Federal Republic of Germany - Seismograph station code, US Geological Survey (SEIS)

Pirna - German license plate city code

Pittsburgh Industrial Railroad - Federal Railroad Administration identification code

Plug-In Relay

Polling Interrupt Routine (SAUS)

Pollution Incident Report - Environmental term (FOTI)

Polyisocyanurate (SAUS)

Post Implementation Review

Postinhibitory Rebound - Physiology

Precision Infrared Radiometer (ARMP)

Precision Inspection Request (IAA)

Precision Instrumentation RADAR

Predicted Intercept Range - Military (CAAL)

Preliminary Information Report (SAUS)

Prematriculation Immunization Requirement

Pressure Ignition Rocket (NATG)

Pressure Indicated Registered (SAUS)

Pressure Indicator Recorder (ECII)

Prices Irregular - Telegraphy (PCTE)

Prim-Air Aps - Denmark - ICAO designator (FAAC)

Primary Image Record - Military technology (DDF)

Primary Intelligence Requirement - Military

Principal Ideal Ring (SAUS)

Priority Information Requirement - Military intelligence

Priority Intelligence Requirement - Military

Prisoner-Initiated Review

Process and Indoctrinate Recruits

Procurement Information Reporting (ACAE)

Procurement Initiation Request (MCD)

Product Improvement Review

Product Information Release

Production Inspection Record

Product of Incomplete Reaction (EEVL)

Professional Investor Report - A publication (IT)

Program Incident Report

Program Information Report - Head Start Program - Department of Health and Human Services (GFGA)

Program Instruction Register (SAUS)

Program Interrupt Register - Computer science (IAA)

Project Identification Report

Project Independence Report

Project Internal Result (SAUS)

Protein Identification Resource - National Biomedical Research Foundation - Georgetown University Medical Center - Information service or system (IID)

Protein Information Resource (HGEN)

Protocol-Independent Routing - Computer science

Publication Illustration Request

Publication Information Register (IAA)

Pulse Input Register (SAUS)

Pure India Rubber - Cables

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