| Acronym | Meaning |
| CEPA-2V | Coupled-electron-pair Approxn. (with) Variational (method) |
| PASH | Polycyclic Aromatic Sulfur-containing Hydrocarbons |
| OVMO | Occupied Valence-type Mol. Orbital |
| DWSBA | Distorted Wave Second Born Approxn. |
| LIFI | Laser-induced Fluorescence Imaging |
| VBR | Variational Basis Representation (in Quantum Calcns.) |
| GOSAT | Greenhouse Gas Observing Satellite |
| SMA | Specific Methanogenic Activity |
| EMT | Effective Mass Theory (in Electronic Wave Functions Calcn.) |
| TMP | Turbomolecular Pump |