Your abbreviation search returned 106 meanings
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| Rank Abbr. | Meaning | |
|---|---|---|
| SO | Special Order | |
| SO | Sign Off | |
| SO | Second Order | |
| SO | Sales Order | |
| SO | Server Options | |
| SO | Slip-On | |
| SO | Service Order | |
| SO | Standard Oil | |
| SO | Sold Out | |
| SO | Student Organization | |
| SO | Safety Office | |
| SO | Strike Out | |
| SO | Significant Other | |
| SO | Standing Order | |
| SO | Special Operations | |
| SO | Southern Company (stock symbol) | |
| SO | Security Officer | |
| SO | Senior Officer | |
| SO | Safety Officer | |
| SO | System Operator | |
| SO | Star Ocean (video game) | |
| SO | Sims Online (game) | |
| SO | Symphony Orchestra | |
| SO | Staff Officer | |
| SO | Special Olympics | |
| SO | Somalia | |
| SO | Shout Out (Internet slang) | |
| SO | Sheriff's Office | |
| SO | Small-Outline | |
| SO | Stuck Open | |
| SO | Stack Overflow | |
| SO | Second Officer | |
| SO | Sub-Optimal | |
| SO | Shared Object (UNIX) | |
| SO | Southampton (UK postal code) | |
| SO | Strategic Objective | |
| SO | Service Object | |
| SO | Systems Operations | |
| SO | System Owner (US NIST) | |
| SO | Sistema Operacional (Brazil: Operating System) | |
| SO | Sistema Operativo (Italian: Operating System) | |
| SO | Shutout | |
| SO | Serial Output | |
| SO | Shaquille O'neal (NBA Player) | |
| SO | Solothurn (Soleure; Suisse Canton) | |
| SO | SharePoint Online (Microsoft Office) | |
| SO | System Overload | |
| SO | Strung Out (band) | |
| SO | School's Out | |
| SO | Sud-Ouest (French: south west) | |
| So | Siehe Oben (German: see above) | |
| SO | Science Olympiad | |
| SO | Station Officer | |
| SO | Send Only | |
| SO | Staff Officer (commissioned Police Officer attached to Inspector-General of Police) | |
| SO | Shift-Out | |
| SO | Spatial Orientation | |
| SO | Southern Oscillation | |
| SO | Socket Outlet (British, electrical) | |
| SO | South/Southern | |
| SO | Strategic Outsourcing (IBM) | |
| SO | Sales Out | |
| SO | Scottish Office | |
| SO | Supply Officer | |
| SO | Sud-Ovest (Italian: Southwest) | |
| SO | Styrene Oxide | |
| SO | Station Operator | |
| SO | Shipment Order | |
| SO | Supervisor's Office (USDA) | |
| SO | Successful Offeror | |
| SO | System Outage | |
| SO | Superior Oblique (eye muscle) | |
| SO | Seller's Option | |
| SO | Sea Organization (Scientology) | |
| SO | Switching Office | |
| SO | Steward Observatory (University of Arizona) | |
| SO | Specialist Operations | |
| SO | Sensor Operator | |
| SO | Southern Airways (airline) | |
| SO | Special Orthogonal (mathematics; group theory) | |
| SO | Safety Observer | |
| SO | Solid Optical | |
| SO | Slow Oxidative | |
| SO | Sondrio, Lombardia (Italian province) | |
| SO | Sans Opinion (French : No Preference) | |
| SO | System Overheat | |
| SO | Stewardship Ontario (Canada) | |
| SO | Semantic Object | |
| SO | Sector Outperform (investing) | |
| SO | Service Observe | |
| SO | Division Staff Officer | |
| SO | Show of Oil (drilling reports) | |
| SO | Surface Operator (MFD) | |
| SO | Semi-Orthogonal | |
| SO | Stockage Objective(s) | |
| SO | Source of Orgasm | |
| SO | Synchronous Oscillator | |
| SO | Supporting Organization of ICANN | |
| SO | Service Overseer (Jehovah's Witnesses) | |
| SO | Schriftelijke Overhoring | |
| SO | Solicitation Officer | |
| SO | Saneringsonderzoek (Dutch: soil remediation research) | |
| SO | Step Off Ministry | |
| SO | Shipment/Shipping Order | |
| SO | Seige Onager (Age of Kings game) | |
| SO | Südost/Südosten (German: South-East) | |
Note: We have 33 other definitions for SO in our Acronym Attic