| Acronym | Meaning |
| SIFS | Solvent-induced Frequency Shifts |
| LPUMP | L-fold (spin) Projected Unrestricted Moeller-Plesset |
| SNOM | Scanning Near-field Optical Microscopy |
| SIC | Self-interaction Correction (in Exchange-energy Calcns.) |
| CRF | Corticotropin-releasing Factor |
| AEMA | Auger Electron Microanalysis |
| TFDW | Thomas-Fermi-Dirac-Von Weizsaecker (method For Electronic Structure Calcns. On Mols.) |
| MCL | Method Calibration Limit |
| L2 | Square Integrable (wave Function) (in Electron-atom Or -mol. Collisions) |
| SRD | Standard Reference Data |