| Acronym | Meaning |
| EFF | Electronic Frontier Foundation |
| NACA | (U.S.) National Advisory Committee For Aeronautics (1915?1958 |
| BLSN | Blowing Snow (METAR Code) |
| THEGENTRY | The High-End Group Of Earth's New Technologies Research Yield |
| KTS | Knight Of The Tower And Sword (of Portugal) |
| SCTP | Stream Control Transmission Protocol |
| ITAG | Inertial Terrain-Aided Guidance |
| DG | Dei Gratia (Latin |
| RCT | Randomized Controlled Trial - Robotically Controlled Telescope |
| BDO | Battle Dress Overgarment |