| Acronym | Meaning |
| TWV | Trinkwasserverordnung (German Drinking Water Ordinance) |
| FGH | Fourier-grid Hamiltonian |
| DRF | Direct Reaction Field (for Intermol. Interactions) |
| RI | Refractive Index |
| CK | Creatine Kinase |
| DSA | Doppler Shift Attenuation |
| PEEM | Photoemission Electron Microscopy |
| FEBIAD | Forced Electron Beam Induced Arc Discharge |
| CGTO | Cartesian Gaussian-type Orbital |
| UCHF | Uncoupled Hartree-Fock |