| Acronym | Meaning |
| SLO | Strictly Localized Orbital |
| PIA | Peaking Impulse Approxn. (for Electron-exchange Collisions) |
| NMA | Nuclear Microanalysis |
| LRAT | Long-range Atmospheric Transport |
| HFPT | Hartree-Fock Perturbation Theory |
| OCOS | Orbital Charge-ordering State |
| NRPS | Nonribosomal Peptide Synthetase |
| VA-HOMO | Vibrationally Active HOMO |
| LACE | Laser-assisted Chemical Etching |
| MCM | Mesoporous Crystalline Material |