| Acronym | Meaning |
| BOARS | Born-Oppenheimer Angular Radial Sepn. (in Mol. Complexes Calcns.) |
| HFF | Hellmann-Feynman Force Approximation |
| TDWP | Time-dependent Wave Packet |
| OCRWM | Office Of Civilian Radioactive Waste Management |
| QCC | Quadrupole Coupling Constant |
| PLID | Pulsed Laser Induced Desorption |
| AEROS | Aerometric And Emissions Reporting System |
| PZEV | Partial Zero Emission Vehicle |
| EIP | Eigenvalue-independent Partitioning (in Coupled-cluster Calcns.) |
| MPCA | Minnesota Pollution Control Agency |