| Acronym | Meaning |
| ARXPS | Angular Resolved X-ray Photoelectron Spectroscopy |
| CVB | Canonical Valence Bond |
| REES | Red Edge Excitation Shift |
| HUFA | Highly Unsaturated Fatty Acids |
| EMEP | European Monitoring And Evaluation Program |
| PF | Protective Factor |
| SEU | Selective Excitation Unit |
| SBMF | Slave-boson Mean Field (in Electronic-structure Calcns.) |
| EXAFS | Extended X-ray Absorption Fine Structure |
| PCS | Photon Correlation Spectroscopy |