| Acronym | Meaning |
| WT | Wild Type |
| EMP | Empirical Pseudopotential Method |
| PPHM | Parts Per Hundred Million |
| SCEP | Self-consistent Electron-pair Theory |
| FEL | Free Electron Laser |
| QSM | Quantum Statistical Mechanics |
| USB | Universal Serial Bus |
| OOS | Optical-oscillator Strength |
| TBC | Two-beam Coupling |
| VCC | Variable Curvature Coordinates (in Calcns. On Mol. Vibrations) |