| Acronym | Meaning |
| MA | Mission Abort |
| LEPD | Low-Energy Positron Diffraction |
| PINA | Paraffins |
| HHG | High-order Harmonic Generation |
| AEC | Area Of Environmental Concern |
| PPKTP | Periodically Poled KTiOPO4 |
| MEPAS | Multimedia Environmental Pollution Assessment System |
| VMR | Vol. Mixing Ratio |
| TGIC | Temperature Gradient Interaction Chromatography [reversed Phase HPLC With Variable Column Temp. During Elution] |
| IIASA | International Institute Of Applied Systems Analysis (near Vienna |