| Acronym | Meaning |
| EORCU | European Ozone Research Coordinating Unit |
| WANO | World Association Of Nuclear Operators |
| RISC | Reduced-instruction-set Computer |
| SSFDC | Solid-state Floppy-disk Card (SmartMedia) |
| PAOD | Peripheral Arterial Occlusive Disease |
| NIPR | National Institute Of Polar Research |
| LRR | Leucine-rich Repeat |
| ASCT | Autologous Stem Cell Transplantation |
| WMO | World Meteorological Organization |
| M-PCILO | Modified PCILO |