| Acronym | Meaning |
| PHDF | Polyhalogenated Dibenzofuran(s) |
| WHIMS | Wet High Intensity Magnetic Separation |
| EMA | Effective Medium Approximation |
| RDW | Relativistic Distorted Wave |
| UBFF | Urey-Bradley Force Field |
| VPSA | Vainshtein-Presnyakov-Sobelman Approxn. (for Excitation In Atom-ion Collisions) |
| ZCCSD | Z-vector Coupled Cluster (with) Single (and) Double Excitation |
| RMTA | Rigid Muffin-tin Approxn. |
| NMIJ | National Metrology Institute Of Japan |
| ARM | Atomic Resolution Microscope |