| Acronym | Meaning |
| VA-LUMO | Vibrationally Active LUMO |
| FEG | Field Emission Gun |
| TESS | Transform Method For Extinction-scattering With Spatial Resoln. |
| FPLMTO | Full-potential Linearized Muffin-tin Orbital |
| PAES | Positron-induced Auger Electron Spectroscopy |
| DFT | Density-functional Theory |
| PAGE | Polyacrylamide Gel Electrophoresis |
| PIMA | Polyisocyanurate Insulation Manufacturers Association |
| DOC | Dissolved Organic Carbon |
| SCCP | Strong-coupling Correspondence Principle |