| Acronym | Meaning |
| SCCT | Semiclassical Complex Trajectory |
| LDPEX | Cross-linked |
| EPA | Environment Potential Approach (in Electronic-structure Calcn.) |
| GEASIC | Gradient-expansion Approxn. Self-interaction Correction (functional |
| TDVP | Time-dependent Variational Principle (in Scattering Calcns.) |
| MTEL | Maximum Tolerable Exposure Levels |
| FONDA | First-order Nondegenerate Adiabatic (theory For Electron-mol. Inelastic Scattering) |
| DDAF | Dicretized Distributes Approximating Function (propagator |
| PLUARG | Pollution From Land Use Activities Reference Group |
| CLD | Certainly Lethal Dose |