| Acronym | Meaning |
| SPEED | Selective Potentiostatic Etching By Electrolytic Dissolution |
| SWKB | Supersymmetric Wentzel-Kramers-Brillouin (quantum Method) |
| PTGF | Perturbative-type Green Function |
| LEEM | Low-energy Electron Microscopy |
| ATR-FTIR | Attenuated Total Reflection-Fourier-transform IR Spectroscopy |
| SGWD | Submarine Groundwater Discharge |
| OP | Overlap Population |
| GHRH | Growth Hormone-releasing Hormone |
| CTFA | Cosmetic, Toiletry And Fragrance Association |
| FARM | Fixed-angle Reactor Model (in Quantum Calcns. On Reactive Scattering) |