| Acronym | Meaning |
| PBYTE | Petabyte (1015bytes) |
| FIAR | European Aviation Partnership |
| NNMI | Nonlinear Normal Mode Initialization Software |
| EARN | European Academic Research Network |
| EG&G | Inc. |
| UUI | Uniform User Interface |
| UCARIP | UCAR Intellectual Property |
| NIU | Network Interface Unit |
| ASI | Advanced Simulation Initiative |
| ACIS | Automated Chemical Inventory System |