| Acronym | Meaning |
| D | Deuterium |
| PBS | Public Broadcasting Service |
| CO | Many |
| BT | Bathythermograph -Bhutan (FIPS 10-4 Country Code; ISO 3166 Digram) - (ii) BitTorrent - (iii) British Telecommunications Plc |
| SOUTHAG | Southern Army Group |
| SARA | Southeastern Association For Research In Astronomy - Scientific Atlanta Resident Application - Scottish Amateur Rowing Association - Southern African Railway Association - State Administration For Religious Affairs |
| BES | Budget Estimate Submission |
| BOC | British Orthodontic Society - British Oxygen Company |
| INSAR | Interferometric Synthetic Aperture Radar |
| BISEPS | Battlefield Identification System Environment Performance Simulation |