| Acronym | Meaning |
| PNDDO | Partial Neglect Of Diatomic Differential Overlap |
| AMU | Atomic Mass Unit |
| AAHIS | Advanced Airborne Hyperspectral Imaging System |
| DSA | Dynamic Simulated Annealing (for Electronic Structure In Liq.metals) |
| IEE | Institution Of Electrical Engineers |
| MIM | Multipole-induced-multipole Model |
| ST4CCD | Coupled Cluster (with) Double (substitutions And) Single (and) Triple (substitutions Incorporated Via) Fourth-order (perturbat |
| YFP | Yellow Fluorescent Protein |
| UAPSP | Utility Acid Precipitation Study Program |
| NSTL | Near Surface Transition Layer |