| Acronym | Meaning |
| COIL | Chem. Oxygen-iodine Laser |
| AQSM | Air Quality Simulation Model |
| OASLM | Optically Addressed Spatial Light Modulator |
| AMIP | Atmospheric Model Intercomparison Project |
| SAPS | Spherical Average Pseudopotential |
| ISC | Intersystem Crossing |
| UCID | Unrestricted CI (with) Single (and) Double (excitations) |
| MCHF-BP | Multiconfiguration Hartree-Fock Breit-Pauli |
| EGSB | Expanded Granular Sludge Bed |
| PDS | Piecewise Direct Standardization |