What does SIR stand for?

Safari International Resources - Vancouver Stock Exchange symbol

Safeguards Implementation Report - Nuclear energy (NRCH)

Safe Integral Reactor - Nuclear energy

Safety Investigation Regulations (SAUS)

Salair, Inc. - ICAO designator (FAAC)

Save Instruction Recognition (SAUS)

Savings-to-Investment Ratio (SAUS)

Scientific and Industrial Research (SAUS)

Scientific Information and Retrieval (SAUS)

Scientific Information Retrieval (NITA)

Scientific Information Retrieval, Inc. - Database management system - Information service or system (IID)

Scottish Institute of Reflexology - United Kingdom (EAIO)

Search and Interrogation Radar (SAUS)

Search, Inspection, and Recovery (NVT)

Secondary-Image-Registration - Photography

Secondary Immune Response (MELL)

Segment Identification Register

Selected Inertial Reference (ACAE)

Selected Item Report

Selected Item Reporting

Selected Item Review (MCD)

Selective Information Reporting (SAUS)

Selective Information Retrieval - Computer science

Selective Ion Recording - Spectrometry

Self Indication Ratio (SAUS)

Self-Indication Ratio

Self-Insured Retention - Insurance

Semantic Information Retrieval - Massachusetts Institute of Technology - Computer science (DIT)

Semantic Information Retrieval (or Retriever) (SAUS)

Semiannual Inventory Report - Navy (NVT)

Sequential Information Retrieval (SAUS)

Serial Infrared (SAUS)

Serial Infrared Communication (SAUS)

Serial Infrared Communications Interface - Hewlett Packard Co.

Serial Infrared Specification - Computer science

Serious Incident Report - Military (AFM)

Serum Inducible Repeat - Genetics

Service International de Recherches - International Tracing Service - Red Cross

Session Information Retrieval - IBM's SNA - Communications term (DCT)

Set Indicators of the Right Half (SAA)

Shipboard Intercept Receiver - Navy

Shuttle Imaging RADAR - of earth's surface - NASA

Shuttle Imaging Radar (GIS)

Signal Interference Ratio (SAUS)

Signal-to-Interference Ratio

Silent Information Regulator - Genetics

Silo Installation Refurbish (SAA)

Simple Image Resizer

Simple Implication Relation (SAUS)

Simplified Information Retrieval (SAUS)

Simulated Robot (NITA)

Simultaneous Impact Rate (AFM)

Sinclair, WY - Location identifier - FAA (FAAL)

Single Imaging RADAR

Single Isomorphous Replacement - Crystallography

Single Item Release

Single Item Removal - Maintenance

Sion - Switzerland - Airport symbol

Siri - Language code (ETLW)

Siria - Venezuela - Seismograph station code, US Geological Survey (SEIS)

Sirrom Capital - NYSE symbol

Size Up, Interview, Rate - Mnemonic used by Responsible Beverage Service in its bartender training program

Skills Inventory Register (SAUS)

Small Intestine Rinse - Physiology

Snow and Ice on Runway - NWS (FAAC)

Snow and Ice on Runways (SAUS)

Societa Italiana Resine - Italy

Societe Rorschach Internationale - International Rorschach Society - Originally, Societe Internationale du Test de Rorschach et Autres Methodes Projectives

Society for Individual Responsibility - Defunct (EA)

Society for Individual Rights (SAUS)

Society of Industrial Reactors (SAUS)

Society of Industrial Realtors - Association name and designation awarded by this group - Washington, DC (EA)

Society of Insurance Research - Appleton, WI (EA)

Software Incident Report (MCD)

Software Initiated Restart (NASA)

Software Installation Request (SAUS)

Software Investigation Request (SAUS)

Solar Infrared - Climatology (CERES)

Sound Isolation Room

Southeastern Institute of Research, Inc. - Commercial firm

South Indian Railway - Indian Railway (TIR)

Spaceborne Imaging RADAR

Space Imaging Radar - National Aeronautics and Space Administration (GIS)

Speaker Independent Recognition (IAA)

Special Incident Report - Therapy term (CTAA)

Special Information Retrieval

Special Inspection Requirement

Special Investigative Requirement (AFM)

Specificating Information Retrieval (SAUS)

Specification Information Retrieval (SAUS)

Specification Information Retrieval System - Computer science (MCD)

Specific Immune Release (STED)

Specific Information Requirement - Military

Specific Insulation Resistance

Sports Institute for Research (SAUS)

Stable Isotopes Resource

Standard Indonesian Rubber (SAUS)

Standardized Incidence Ratio (STED)

Standardized Indonesian Rubber (SAUS)

Standarization, Interoperability, and Readiness - NATO (MCD)

Staten Island Rapid Transit Railway Co. - Later, SIRC - AAR code

Statistical Information Retrieval

Statutory Invention Registration - Patents

Strategic Information Review (NITA)

Stratified Indexing and Retrieval - Japan - Computer science

Strip, Inspect and Rebuild (SAUS)

Struthers Industries - AMEX symbol (SPSG)

Student Instructional Ratings (SAUS)

Student Instructional Report - Test of teacher performance

Studies in Romanticism - A publication (ANEX)

Styrene Isoprene Rubber (SAUS)

Styrene-Isoprene Rubber

Subcontractor Information Request

Subcutaneous Inguinal Ring - Medicine (MELL)

Submarine Intermediate Reactor - Nuclear energy

Substained Information Rate (SAUS)

Subsurface Interface RADAR - A trademark

Supersonic Infantry Rocket

Supplemental Inflatable Restraint - Automotive term (HAWK)

Supplier Information Report (ACAE)

Supplier Information Request (SAUS)

Suppliers Information Request

Surface Imaging Resist (SAUS)

Surface Insulated Resistant (SAUS)

Surface Insulation Resistance - Electronics (AAEL)

Surveys, Investigations and Research - United States Geological Survey (GIS)

Suspect Information Report (SAUS)

Sustained Information (SAUS)

Sustained Information Rate (SAUS)

Symbolic Input Routine - Computer science (DIT)

Synthetic-Aperture Imaging RADAR - System

System Initialization Routine

System Integration Receiver - System

System Interface Requirements (NASA)

Systems Integrated Receiver (SAUS)

Systems Integration Review - NASA (NASA)

Sirach - Old Testament book - Roman Catholic canon

Sirius - Record label - Sweden

Sirup (SAUS)