| Acronym | Meaning |
| IUPPA | The International Union Of Air Pollution Prevention Associations |
| NLS | Nuclear Localization Signal |
| WCRP | World Climate Research Programme |
| GSAS | Generalized Structure And Anal. Software |
| ES | Energy Sudden (approxn. In Scattering Calcns.) |
| MATHEW | Mass-Consistent-3-Dimensional Wind Field |
| QRPA | Quadratic Random Phase Approxn. |
| RBR | Reductive Burning Recovery |
| ECB | European Chemicals Bureau |
| FCPC | Full-core Plus Correlation (calcn. Method) |