| Acronym | Meaning |
| VSR | Very Special Relativity |
| ECU | Ecuador (ISO 3166 Trigram) -European Currency Unit (ancestor Of The Euro) |
| SPIE | Originally The Society For Photo-Optical Instrumentation Engineers (SPIE - The International Society For Optical Engineering 1981?2007 |
| GNOME | GNU Network Object Model Environment |
| HO | Hiri Motu Language (ISO 639-1 Code) |
| RT | Radio Telefs ireann |
| PINF | People In Need Foundation (Czech Charitable Organisation) |
| AOU | American Ornithologists' Union |
| C | Carbon - Coulomb - One Hundred (in Roman Numerals) |
| INTSUM | Intelligence Summary |