| Acronym | Meaning |
| S-MPPT | Supermolecular Moeller-Plesset Perturbation Theory |
| HTST | High-temperature Short-time |
| SCE | Sister Chromatid Exchange |
| HCCI | Homogeneous Charge Compression Ignition |
| OVD | Optically Variable Device |
| UDF | Unrestricted Dirac-Fock |
| DCBA | Distorted-coupling Born Approximation |
| LTMED | Low Temperature Multi-effect Distillation |
| ETF | Extended Thomas-Fermi (model) |
| ACP | Automatic Correlation Partitioning |