| Acronym | Meaning |
| TDSF | Time-dependent Spencer-Fano (in At. And Mol. Inelastic Collisions) |
| LCHOP | Linear Combination (of) Harmonic Oscillator Products |
| LDR | Low Dose Radiation |
| PLC | Planar Lightwave Circuit |
| BAL | Broad Absorption Line |
| HDF | Halogenated Dibenzofuran(s) |
| ILEED | Inelastic Low-energy Electron Diffraction |
| RVB | Resonating Valence Bond (theory Of High-tc Superconductors) |
| WADR | Waste Acid Detoxification And Reclamation |
| FO-NACME | First-order Nonadiabatic Coupling Matrix Elements |