| Acronym | Meaning |
| YF | Yottafarad |
| MS | Mano Sinistra (Latin |
| UR | Urdu Language (ISO 639-1 Code) |
| RTBF | Radio-T?l?vision Belge De La Communaut? Fran?aise |
| HIPPARCOS | HIgh Precision Parallax COllecting Satellite |
| YU | York University -former Yugoslavia (ISO 3166 Digram |
| BDTA | British Dental Trade Association |
| TBBPA | TetraBromoBisPhenol-A |
| ASIO | Australian Security Intelligence Organisation -Audio Stream Input Output |
| DAFIF | Digital Aeronautical Flight Information File |