| Acronym | Meaning |
| URIP | University Research Initiative Program |
| PPM | Parts Per Million |
| ZAMS | Zero Age Main Sequence |
| ASIS | American Society For Industrial Security |
| ELDO | European Launcher Development Organization |
| OCC | Operations Control Center |
| EFEDA | European Field Experiment In Desertification-Threatened Area |
| ACI | Advanced Computing Initiative |
| BACH | Biosphere-atmosphere-chemistry |
| A&C | Abatement & Control |