| Acronym | Meaning |
| TDFGH | Time-dependent Fourier Grid Hamiltonian (method) |
| IRS | Inverse Raman Scattering |
| ISIS | Industrial Site Information System |
| SCAPS | Site Characterization And Analysis Penetrometer System |
| SDW | Spin Density Wave |
| DWES | Distorted-wave Energy Sudden (for Inelastic Mol. Collisions) |
| CJD | Creutzfeldt-Jakob Disease |
| PAM | Periodic Anderson Model |
| SSER | Spinless Salpeter Equation (with) Retardation |
| SCR | Selective Catalytic Reduction |