| Acronym | Definition |
|---|
| SR➣Señor (Spanish: Mister) |
| SR➣Senhor (Portuguese: Mister) |
| SR➣Senior |
| SR➣Sister |
| SR➣Suriname |
| SR➣Systematic Review |
| SR➣State Route |
| SR➣State Road |
| SR➣Scientific Research |
| SR➣Santa Rosa (California) |
| SR➣Surrogate |
| SR➣Service Representative |
| SR➣Southern Region (Order of the Arrow, Boy Scouts of America) |
| SR➣San Ramon (northern California) |
| SR➣Special Report |
| SR➣Social Responsibility |
| SR➣Speech Recognition |
| SR➣Survival Rate |
| SR➣Status Report |
| SR➣Short Range |
| SR➣Short-Range |
| SR➣Skid Row (band) |
| SR➣Slovak Republic |
| SR➣Schwester (German: Sister) |
| SR➣Shadowrun |
| SR➣Satellite Radio |
| SR➣Saddle River (New Jersey) |
| SR➣Search and Rescue |
| SR➣Sustained-Release |
| SR➣Southern Railway |
| SR➣Storage Ring |
| SR➣Sniper Rifle |
| SR➣Short Run |
| SR➣Synchrotron Radiation |
| SR➣Savannah River |
| SR➣Status Register |
| SR➣Sound Recording |
| SR➣Service Request |
| SR➣Space Research |
| SR➣Sarcoplasmic Reticulum |
| SR➣Slow Release (medication) |
| SR➣Sugar Ray (band) |
| SR➣Sampling Rate |
| SR➣Strategic Reconnaissance |
| SR➣Standard Reference |
| SR➣Semi-Retired |
| SR➣Surveillance and Reconnaissance |
| SR➣Sunderland (postcode, United Kingdom) |
| SR➣Speed Racer (cartoon) |
| SR➣Serbia & Montenegro |
| SR➣Sigur Rós (band) |
| SR➣Synthetic Rubber |
| SR➣Sunday River (Ski Resort) |
| SR➣Saudi Riyal (national currency) |
| SR➣Strontium |
| SR➣Satellite Receiver |
| SR➣Sedimentation Rate |
| SR➣Square Root |
| SR➣Slew Rate |
| SR➣Slide Rule |
| SR➣Slip Ring |
| SR➣ShopRite (supermarket chain) |
| SR➣Scavenger Receptor |
| SR➣Sinus Rhythm |
| SR➣Standard Rate |
| SR➣Service Record |
| SR➣Search and Retrieval (computer searches) |
| SR➣Social Reform |
| SR➣Shift Register |
| SR➣Senate Resolution |
| SR➣Service Report |
| SR➣Sin Reservas (Guatamalen cable TV show) |
| SR➣Shared Resources |
| SR➣Studies in Religion (various locations) |
| SR➣She-Ra (He-Man character) |
| SR➣Supervision and Regulation |
| SR➣Surveillance Radar |
| SR➣Strategic Review |
| SR➣System Requirement |
| SR➣Special Reserve |
| SR➣Saarländischer Rundfunk (German Radio and TV Station) |
| SR➣Slow Response |
| SR➣Symbol Rate |
| SR➣Saturday Review |
| SR➣Swan River (Canada) |
| SR➣Special Relativity |
| SR➣Source Rock (geology) |
| SR➣Swiss Air (Airline of Switzerland) |
| SR➣Stateroom |
| SR➣Short Reach (fiber) |
| SR➣Scenic Railway (amusement park ride) |
| SR➣Short Radius (piping elbow) |
| SR➣Seaman Recruit (USN Rating) |
| SR➣Software Review |
| SR➣Support Request (technical support) |
| SR➣Short Rod |
| SR➣Stage Right |
| SR➣Support Requirements |
| SR➣Scientific Racism (pseudoscience) |
| SR➣Source Routing (ATMF) |
| SR➣Sergei Rachmaninov (classical composer) |
| SR➣Socialist-Revolutionary (Russian political party) |
| SR➣Sam Roberts (musician) |
| SR➣Side Release (buckle) |
| SR➣Special Rapporteur (French: Special Talebearer; UN) |
| SR➣Send & Receive |
| SR➣Strike Rate (cricket scoring) |
| SR➣Summer Resident (nature) |
| SR➣Service Release |
| SR➣Serine/Arginine-Rich (proteins) |
| SR➣Site Representative |
| SR➣Supporting Research |
| SR➣Soul Reaver (video game) |
| SR➣Single Replacement (chemical reaction) |
| SR➣Signature Range (food brand) |
| SR➣Scanning Radiometer |
| SR➣Shady Records (record label) |
| SR➣Sun Roof |
| SR➣Software Radio |
| SR➣Soil Resistance |
| SR➣Source Range |
| SR➣Steradian (metric unit of solid angle) |
| SR➣Sugar Rush (UK TV series) |
| SR➣Selected Reserve |
| SR➣Safety Release |
| SR➣Shock Rifle (gaming, Unreal tournament) |
| SR➣Signaling Rate |
| SR➣Safety Rod |
| SR➣Standard Repair |
| SR➣Sortie Rate |
| SR➣Serum Replacement (biochemistry) |
| SR➣Special Review |
| SR➣Shunt Reactor (power electronics) |
| SR➣Sediment Regime |
| SR➣Spectral Response |
| SR➣Surveillance Requirement |
| SR➣State Relay |
| SR➣Stochastic Resonance (statistics) |
| SR➣Spring Roll |
| SR➣Severity Rate |
| SR➣Sender Report (computing) |
| SR➣Steam Reforming |
| SR➣Senior Rater |
| SR➣Special Regulations |
| SR➣Set Reset |
| SR➣Sul Ross State University (Alpine, Texas) |
| SR➣Sabbath Recorder (Seventh Day Baptist publication; Wisconsin) |
| SR➣Spell Resistance (gaming) |
| SR➣Sonic Revolution (game) |
| SR➣Siracusa, Sicilia (Syracuse; Italian province) |
| SR➣Special Reconnaissance |
| SR➣Saitama Railway (Japan) |
| SR➣Sensor Reader |
| SR➣Spending Review |
| SR➣Special Recovery |
| SR➣Standardized Regulations |
| SR➣Synchronizing Resources (concurrent programmming language) |
| SR➣Status Response (Hekimian) |
| SR➣Strategy Runner (Automated investment and trading software company) |
| SR➣Sveriges Riksdag (Swedish: Sveriges Radio) |
| SR➣Shoulder Rotations (exercises) |
| SR➣Sum Rule |
| SR➣Shipment Request |
| SR➣Special Requirement |
| SR➣Spectral Recording (Dolby) |
| SR➣Sporting Rifle (smokeless powder type) |
| SR➣Superior Rectus (eye muscle) |
| SR➣Separate Rations |
| SR➣Selective Ringing |
| SR➣Session Relay (computer networking) |
| SR➣Soldiers Radio |
| SR➣Se Renta (Spanish: for rent) |
| SR➣Spot Repair |
| SR➣Special Recommendation (Financial Action Task Force on Money Laundering; France) |
| SR➣Stress-Resistant (pig genetics) |
| SR➣Stress Rupture |
| SR➣Scan Ratio |
| SR➣Stem Rot |
| SR➣Spreading Resistance |
| SR➣Supply Road |
| SR➣Secretary/Records |
| SR➣Scheduled Result |
| SR➣Sunset Riders (game) |
| SR➣Steel Radial (tire technology) |
| SR➣Shielded Receiver |
| SR➣Shiina Ringo (Japanese musician/singer) |
| SR➣Sunlight Resistant |
| SR➣Strehl Ratio (optics) |
| SR➣Static Representation (software engineering) |
| SR➣Specialist Registration |
| SR➣Socialists for Reform (San Marino) |
| SR➣Saturable Reactor |
| SR➣Suburban Rhythm (band; also song by Reel Big Fish) |
| SR➣Sub-Reflector |
| SR➣Spontaneous Reboot |
| SR➣Spare Row |
| SR➣Stuff Request (Nortel) |
| SR➣State Road/Route |
| SR➣Superficial Reflux |
| SR➣Subtract Register |
| SR➣Selbstständiges Referat (German: Independent Unit) |
| SR➣Seaplane Reconnaissance Aircraft (US Navy) |
| SR➣Segmentation Reassembly (Protocol) |
| SR➣Serviço da República (Portuguese official stationery) |
| SR➣Serum Receptor (biochemistry) |
| SR➣Ship Repair Ratings (US Navy) |
| SR➣Span-Restorable |
| SR➣Successively Refinable (data compression system) |
| SR➣Silent Reflex |
| SR➣Southern Royalty (hip hop group) |
| SR➣Self-Recoverable |
| SR➣Shaft Rate |
| SR➣Sedlighetsroteln (Swedish vice police branch) |
| SR➣Sibling Records |
| SR➣Subsonic Radio (forum and streaming radio station) |
| SR➣Spray Recirculation |
| SR➣Suppressed Radiation |
| SR➣Short Remittance |
| SR➣Stacker/Retriever |
| SR➣Solar Regenerative |
| SR➣Standard Range Approach |
| SR➣Slow Reversals (PNF technique) |
| SR➣Sewer, Run Off |
| SR➣Sind Regiment (Pakistan) |
| SR➣Specialized English Training Required |
| SR➣Summaries Recurring |
| SR➣rSound Rating (enegy products) |
| SR➣Saarlädischer Rundfunk = Radio Saarland |
| SR➣Serviço Representações (Portuguese: Service Representatives) |
| SR➣Air Search Radar Receiver (US Navy) |
| SR➣Serim Ral (gaming) |
| SR➣Serviço Regional do Ministério da Educação (Portuguese: Regional Ministry of Education; Portugal) |
Sr - a soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite