| Acronym | Meaning |
| WMAP | Wilkinson Microwave Anisotropy Probe |
| RPEHMO | Relativistically Parametrized Extended Hueckel MO |
| EBCT | Electron Beam Computed Tomography |
| SSSP | Simulation Of Single Sludge Processes |
| NWWA | National Water Well Association |
| ADCI | American Die Casting Institute |
| TWV | Trinkwasserverordnung (German Drinking Water Ordinance) |
| CIEEL | Chem. Initiated Electron Exchange Luminescence |
| FIB | Focused Ion Beam |
| CFB | Circulating Fluidized Bed |