| Acronym | Meaning |
| IAP | Ion Activity Products |
| CFM | Continued-fraction Method |
| SDSD | Satellite Data Services Division |
| PLY | Photoluminescence Yield |
| MIDI-N | Split-type Contracted GTO Basis Set (n = 1 |
| HEGO | Heated Exhaust Gas Oxygen |
| RCSF | Reference Configuration-state Function |
| REM | Reflection Electron Microscopy |
| SAGE | Stratospheric Aerosol And Gas Experiment |
| POPCORN | Photo-Oxidant Formation By Plant Emitted Compds. And OH Radicals In North-Eastern Germany |