| Acronym | Meaning |
| FI | Field Ionization |
| MMPC | Metal-matrix Particulate Composites |
| PP | Pariser Parr |
| CFM | Contamination-free Manufacturing |
| SEELFS | Surface Extended-energy-loss Fine-structure |
| I-TEQ | International Toxic Equivalent |
| RCCSD | (partially) Restricted CCSD |
| ZEV | Zero Emission Vehicle |
| MSA | Methanesulfonic Acid (air Pollutant) |
| FV-CAS-SCF | Full Valence-complete Active Space-SCF |