| Acronym | Meaning |
| QMMM | Quantum Mechanics-molecular Mechanics ~ |
| LAPIS | Linden Atmosphere/Phytosphere Interaction Study |
| QVE | Quasivibrational Energy (formalism In Multiphoton Dissocn.) |
| FIT | Field Investigation Team (US EPA) |
| SESF | Superlattice Extrinsic Stacking Fault |
| CCO | Coupled-channel-optical (potential |
| GLF | Gaussian Lobe Function |
| VCC-IOS | Vibrational Close-coupling-(rotational) Infinite-order Sudden (for Inelastic Mol. Collisions Calcns.) |
| FIB | Focused Ion Beam |
| MSD | Mass Selective Detector |