| Acronym | Meaning |
| OARSI | Osteoarthritis Research Society International |
| ABS | Acrylonitrile Butadiene Styrene - Anti-lock Braking System |
| LCM | Least/Lowest Common Multiple |
| ESU | Emergency Services Unit |
| TF | French Southern Territories (ISO 3166 Digram) -Task Force -Terafarad |
| TND | Tunisian Dinar (ISO 4217 Currency Code) |
| DNR | Do Not Resuscitate |
| RRP | Recurrent Respiratory Papillomatosis |
| UUA | Unitarian Universalist Association |
| XII | Twelve (in Roman Numerals) |