| Acronym | Meaning |
| COLA | Comp.os.linux.announce - Cost Of Living Adjustment |
| SLIT | SubLingual ImmunoTherapy |
| DE | Delaware (postal Symbol) - Germany (ISO 3166 Digram) |
| HDD | Hard Disk Drive - High-Density Disk |
| 2D | Two |
| MR | ATGW -Medium-Range Anti-Tank Guided Weapon |
| CAA | Canadian Automobile Association - (NORAD) Center For Aerospace Analysis - (U.S.) Center For Army Analysis - (U.S.) Clean Air Act - (U.S. Army) Concepts Analysis Agency - Civil Aviation Authority - Colonial Athletic Association |
| SH | Serbo-Croatian Language (ISO 639-1 Code) |
| UDT | Underwater Demolition Team |
| LK | Sri Lanka (ISO 3166 Digram) |