| Acronym | Meaning |
| ELMO | Energy-localized Molecular Orbital |
| IRRAS | Infrared Reflection Absorption Spectroscopy |
| VPEAD | Valence Photoelectron Angular Distribution |
| FMCW | Frequency Modulated Continuous Wave |
| UCID | Unrestricted CI (with) Single (and) Double (excitations) |
| LIPSS | Laser-induced Periodic Surface Structures |
| GPPS | General Purpose Polystyrene |
| RFD | Reference Dose |
| DWS | Drinking Water Standard |
| ADAM | Angular Distribution Auger Microscopy |