| Acronym | Meaning |
| AA | Attoampere |
| MJD | Modified Julian Day |
| FUCK | For |
| SPIE | Originally The Society For Photo-Optical Instrumentation Engineers (SPIE - The International Society For Optical Engineering 1981?2007 |
| RFC | Request For Comments - Royal Flying Corps (WWI Precursor To RAF) |
| VGB | British Virgin Islands (ISO 3166 Trigram) |
| BFA | Burkina Faso (ISO 3166 Trigram) |
| IFPI | International Federation Of Phonographic Industries |
| COA | Concept Of Analysis - Course Of Action (military) |
| TOA | Table Of Authorities - Total Obligation Authority (accounting) |