| Acronym | Meaning |
| MFENET | National Magnetic Fusion Energy Network |
| NIES | National Institute Of Environmental Science |
| RAAF | Royal Australian Air Force |
| NPI | NEXRAD Product Interface |
| OSA | Optical Society Of America |
| FLD | First Level Destination |
| PSC | Pittsburgh Supercomputing Center |
| CAC | Climate Analysis Center |
| MAN | Metropolitan Area Network |
| OSPF | Open Shortest Path First |