| Acronym | Meaning |
| SACF | Symmetry-adapted Configuration Function |
| CCSD-GF | CCSD-green Function |
| EBEBO | Extended Bond Energy Bond Order (quantum Calcn. Method) |
| CCN | Cloud Condensation Nucleus |
| EGCG | Epigallocatechin Gallate |
| QAC | Quaternary Ammonium Compound |
| PSD | Position Sensitive Detector |
| CVMO | Cluster Valence Molecular Orbital |
| FIRE | Flame Infrared Emission |
| ELFFS | Excimer Laser Fragmentation-fluorescence Spectroscopy |