| Acronym | Meaning |
| WRT OR W/R/T | With Respect To Or With Regard To |
| CTIS | Central Tire-Inflation System |
| CWRU | Case Western Reserve University |
| GPC | Global Path Cache |
| DSD | Defence Studies Department (King's College |
| GEBCO | General Bathymetric Chart Of The Oceans |
| XO | ???†‡?…??? ????‰???? (Xristianos Orthodoksos |
| RDO | Rapid |
| WTO | World Trade Organization |
| FM | Fermium |