| Acronym | Meaning |
| HIM | His (or Her) Imperial Majesty |
| COTS | Commercial Off The Shelf |
| CSICOP | Committee For The Scientific Investigation Of Claims Of The Paranormal (became The Committee For Skeptical Inquiry In 2006) |
| ISS | International Shorebird Survey (North America) - International Space Station |
| DHA | DocosaHexaenoic Acid |
| FR | Francium |
| PF | Picofarad |
| ATAS | Air-To-Air Stinger (missile) |
| ASTIA | Armed Services Technical Information Agency |
| SUI | Sonic User Interface |