| Acronym | Meaning |
| GBR | United Kingdom Of Great Britain And Northern Ireland (ISO 3166 Trigram) |
| SFE | Supercritical Fluid Extraction - Sydney Futures Exchange |
| HEAT | High Explosive Anti-Tank (ammunition) |
| YF | Yoctofarad |
| IQ | Idem Quod (Latin |
| ABCS | (U.S.) Army Battle Command System |
| CIR | Corotating Interaction Region |
| AVCATT | A -(U.S. Army's) Aviation Combed Arms Tactical Trainer-Aviation [Reconfigurable Manned Simulator] |
| I2WD OR I?WD | U.S. Intelligence And Information Warfare Directorate (CERDEC) |
| THAW | Tony Hawk's American Wasteland |