| Acronym | Meaning |
| DFTG | Density Functional Theory (with) Gradient (corrections) |
| DEBITS | Deposition Of Biogeochemically Important Trace Species |
| TAG | Trans-Atlantic Geotraverse |
| TPQ | Threshold Planning Quantity |
| LENA | Low-energy Neutral Atom |
| CPI | Carbon Preference Index |
| DOE | Department Of Energy |
| HAI | Histol. Activity Index |
| HRFS | High-resolution Fluorescence Spectroscopy |
| DDQRPA | Double Direct Quadratic Random Phase Approximation |