| Acronym | Meaning |
| LC | Lethal Concentration |
| RFC | Inhalation Reference Concentration |
| CBE | Coulomb-Bethe (for Electron-ion Scattering) |
| MRL | Maximum Residue Limit |
| CCGM | Cabrera-Celli-Goodman-Manson (at. Scattering Theory) |
| IRM | Initial Remedial Measure |
| MOMBE | Metal Organic Molecular-beam Epitaxy |
| KOPRA | Karlsruhe Optimized And Precise Radiative Transfer Algorithm |
| CSC | Client Server Computing |
| APUMPN | Approximately Projected Unrestricted Moeller-Plesset Nth-order |