| Acronym | Meaning |
| LEEM | Low-energy Electron Microscopy |
| CCC | Critical Coagulant Concentration |
| IGFA | Inert Gas Fusion Analysis |
| ETS | Extended Transition State (method For Bond Dissocn. Energies) |
| QCISD(T) | Quadratic CI (with) Single (and) Double (excitations) (and) [triple Excitations Added Perturbatively] |
| CPPI | Cross-polarization-polarization-inversion [NMR] |
| SBE | Single Base Extension |
| PAS | Positron Annihilation Spectrometry |
| LSD-GX-CSEP | LSD-GX-with Correction Of Statistical Exchange Potential |
| BAAQMD | Bay Area Air Quality Management District |