| Acronym | Meaning |
| FF-MBPT | Finite-field Many-body Perturbation Theory |
| RTMS | Room Temperature Molten Salt |
| SIFS | Solvent-induced Frequency Shifts |
| QRIOSA | Quantum Reactive Infinite Order Sudden Approxn. |
| CGTF | Cartesian Gaussian-type Function |
| CIPEA | Comite International Pour L'Etude Des Argiles |
| PSCA | Periodic Small-cluster Approach (a Many-body Technique In Electronic-structure Calcns.) |
| OMP | Optimized Model Potential |
| NWSIA | National Water Supply Improvement Association |
| URA | Universities Research Association |