| Acronym | Meaning |
| ARBI | Adjusted Running Book Inventory |
| ITVM | Integration |
| AIM | Artificial Ionization Mirror |
| TAP IR | Reactive Gases |
| PSC | Pittsburgh Supercomputing Center |
| NQS | Network Queue System |
| EUREKA | European Research Cooperation Agency |
| SC | Subtropical Stratocumulus |
| DECUS | Digital Equipment Computer Users Society |
| USFS | United States Forest Service |