| Acronym | Meaning |
| HFSE | High Field Strength Element(s) |
| IPPA | Independent Pair-potential Approximation |
| BPA | Bisphenol A |
| SPELEEM | Spectroscopic PhotoEmission And Low Energy Electron Microscope |
| TDI | Tolerable Daily Intake |
| GWSS | Groundwater Supply Survey |
| QR-MWH | Quasi-relativistic Mulliken-Wolfsberg-Helmholz Method |
| SIM | Standards Injection Module |
| GDP | Gross Domestic Product |
| ZPC | Zero Point Of Charge |