| Acronym | Meaning |
| FELIX | Free Electron Laser For Infrared Experiments |
| APE | Aerosol Photoemission |
| CCS | Classical Centrifugal Sudden (in Calcns. On Reactions) |
| DIN | Direct Injection Nebulizer |
| GGA | Generalized Gradient Approxn. |
| PIRL | Polyimide Release Layer |
| PBC | Periodic Bond Chain |
| FGETS | Food And Gill Exchange Of Toxic Substances |
| DOUBTFUL | Double Quantum Transitions For Finding Unresolved Lines |
| CMLS | Chemical Movement In Layered Soils |