| Acronym | Meaning |
| MAK | Maximale Arbeitplatz Konzentration; Maximum Allowed Concentration At Workplace |
| SI | Site Investigation |
| EAA | Excitatory Amino Acid |
| FEM | Free Electron Model |
| ECM | Electrochemical Machining |
| MSMO | Multiple Scattering Molecular Orbital Method (also Known As X(alpha) Scattered-wave) |
| MECOP | Modified Electron Correlation Polarization (potential) |
| CRR | Carbon Removal Rate |
| SWV | Square Wave Voltammetry |
| EBHT | Electron Beam Hardening Treatment |