| Acronym | Meaning |
| RAINS | Regional Acidification Information And Simulation |
| LRTBAP | Long-range Trans-boundary Air Pollution |
| OOA | Oxygenated Organic Aerosol |
| CIDS | Circular Intensity Differential Scattering |
| TREPR | Time-resolved Electron Paramagnetic Resonance |
| MBE | Many-body Expansion (in Mol. Potential Energy Surface Calcn.) |
| REIMEP | Regulation European Interlab. Measurement Evaluation Program |
| I AND C | Instrumentation And Control |
| HPSN | Hot-pressed Silicon Nitride |
| ISEC | Inverse Steric Exclusion Chromatography |