| Acronym | Meaning |
| CIPSO | Configuration Interaction (with) Perturbation (including) Spin-orbit Coupling |
| QTST | Quantum Transition State Theory |
| ALR | Augmenter Of Liver Regeneration |
| MI | Mitotic Index |
| EBS | Extended Basis Set |
| ISP | In-line Strip Production |
| MCTDH | Multiconfigurational Time-dependent Hartree (theory) |
| BCR | Bureau Communitaire De Reference (of The CEE = Commission Of European Communities |
| TBTE | Tight-binding Total-energy (calcn. Method) |
| PRDDO | Partial Retention Of Diatomic Differential Overlap |