Acronyms & Abbreviations

The definition of SIR is:

Safe integral reactor

Safeguards implementation report

Safety Investigation Regulations

Safety issue resolution

Salair

Salford Integrated Record

Sandia interior robot

Save Instruction Recognition

Savings to Investment Ratio

Savings-to-Investment Ratio

Savings/Investment Ratio

School Improvement Rubric

Schools Information Retrieval

Science Information Robot

Scientific and Industrial Research

Scientific Information and Retrieval

Scientific Information Retrieval

Scientific Investigations Report

Scoliosis in-patient rehabilitation

Scramble, Intercept and Recovery

Screening Information Request

Seasonal Interpretive Ranger

Segment Identification Register

Selected ion recording

Selected Items Review

Selective Information Retrieval

Selective Integration Rail

Selective internal radiation

Selective inversion recovery

Selective ion recording

Self-initiated review

Self-insured retention

Semantic Information Retrieval

Semiannual Inventory Report

Serial InfraRed

Serial Infrared data transmission

Serious Incident Report

Serious Incident Reports

Service Information Report

Service International des Recherches

Ship Information Repository

Short intergenic region

Shuttle Imaging Radar

Shuttle Imaging Radars

Sicherheit im Rechenzentrum

Sierra

Signal intensity ratio

Signal intensity ratios

Signal to Interference Radio

Signal to Interference Ratio

Signal-to-interference ratio

Silent information regulator

Silo Installation Refurbish

Simultaneous Impact Rate

Singapore Infantry Regiment

Single isomorphous replacement

Sirolimus

SIRVA INC

Snow and Ice on Runway

Snow and Ice Response

Society for Insurance Research

Society for Interventional Radiology

Society of Insurance Research

Society of Interventional Radiology

Software Initiated Restart

Software Integration and Release

Software Investigation Request

Solicitation Information Request

Somatostatin immunoreactivity

Space Imaging Radar

Spaceborne Imaging Radar

Spaceborne Imaging Radars

Speaker Independent Recognition

Speaker-Independent Recognition

Special Information Retrieval

Special Investigation Reports

Special Item Reviews

Specialist Inspection Report

Specific immune release

Specific information requirement

Specific information requirements

Specification Information Retrieval

Spectrum Interferance Resolution

Speech Intelligibility Rating

SPICER

Stage Integration Review

Standard Incidence Ratio

Standard Interface Rack

Standard Interface Racks

Standardised incidence ratio

Standardised incidence ratios

Standardized incidence rate

Standardized incidence rates

Standardized incidence ratio

Standardized incidence ratios

Standardized Indonesian Rubber

Standardized infection ratio

Statement of Investment Circular Reporting Standard

Statistical Information Retrieval

Statistical Inventory Reconciliation

Statutory Invention Registration

Stepped Impedance Resonator

Stepped Interference Reflection

Strike it rich

Strip, Inspect and Rebuild

Stroke index ratio

Structured implicit review

Styrene Isoprene Rubber

Submarine intermediate reactor

Submission Information Rate

Substrate-Incident Recording

Substrate-induced respiration

Subsurface interface radar

Subsystem Inheritance Review

Sulfite reductase

Summary Information Return

Supersonic Infantry Rocket

Supplemental Indicator Restraint

Supplemental Inflatable Restraint

Supplemental Inflatable Restraints

Supplemental Inflation Restraint

Supplier Information Request

Surface Insulation Resistance

Surface-Induced Reaction

Surveys, Investigations and Research

Susceptible-Infected-Removed

Susceptible-infectious-recovered

Sustainable Information Rate

Sustained Information Rate

Symbolic Input Routine

Syndrome of immediate reactivities

System Implementation Roadmap

System Improvement Request

System Information Repository

System Integration Review

System Interface Requirements

System Interface Requrements

Systematic Internal Review

Systemic inflammatory response

Systems Integration Review