| Acronym | Meaning |
| HAART | Highly Active Anti-Retroviral Therapy |
| TSO | The Stationery Office (was HMSO Until 1996) - (U.S.) TRICARE Support Office |
| CVSD | Continuous Variable Slope Delta (modulation) |
| OSS | Office Of Strategic Services (1942?1945 |
| SVM | Support Vector Machine (artificial Intelligence) |
| GST | Goods And Services Tax (Australia |
| MSH | Medium Support Helicopter - Mount Saint Helens |
| AKA | Akan Languages (ISO 639-2 Code) |
| BOM | Base Object Model - Bill Of Materials - Block Of The Month Quilting Term |
| BRS | Battlefield Reasoning System |