| Acronym | Meaning |
| SORCE | Solar Radiation And Climate Experiment |
| URG | Umweltrahmengesetz (German Environmental Protection Framework Law) |
| EU | European Union |
| QCT | Quasiclassical Trajectory (method For Mol. Collision Calcns.) |
| MTO | Muffin-tin Orbital |
| CHMM | Certified Hazardous Materials Manager |
| JCBN | IUPAC-IUB Joint Commission On Biochemical Nomenclature |
| EPFM | Elasto-plastic Fracture Mechanics |
| ICCA | International Council Of Chemical Associations |
| LWR | Locally Weighted Regression |