| Acronym | Meaning |
| PCI-80 | Parametrized Configuration Interaction (with Parameter) 80 |
| QCT | Quasiclassical Trajectory (method For Mol. Collision Calcns.) |
| SAP | Sampling And Analysis Program |
| AIH | Autoimmune Hepatitis |
| CARRI | Computerized Assessment Of Relative Risk Impacts |
| CP-TAPF | Cross-polarization Using Time-averaged Precession Frequency |
| MCDF-OL | Multiconfiguration Dirac-Fock Optimum Level |
| SUCCESS | Subsonic Aircraft: Contrail And Cloud Effects Special Study |
| SNUR | Significant New Use Rule |
| ABC | Absorbing Boundary Condition (green Function) |