| Acronym | Meaning |
| TLDA | Total Lifetime Distribution Analysis |
| ETS | Extended Transition State (method For Bond Dissocn. Energies) |
| RAGS | Risk Assessment Guidelines For Superfund Sites |
| SFC | Specific Fuel Consumption |
| CLTE | Coefficient Of Linear Thermal Expansion |
| TDMCSCF | Time-dependent MC-SCF |
| S-MPPT | Supermolecular Moeller-Plesset Perturbation Theory |
| LCAO CO | Linear Combination Of Atomic Orbitals Crystal Orbital |
| WCA | Weeks-Chandler-Andersen (theory In Liq.-structure Calcns.) |
| LTMED | Low Temperature Multi-effect Distillation |