| Acronym | Meaning |
| DWSBA | Distorted Wave Second Born Approxn. |
| ICDD | International Center For Diffraction Data |
| SIPOS | Semi-insulating Polycrystalline Silicon |
| IUCN | International Union For Conservation Of Nature And Natural Resources |
| MST | Mean Survival Time |
| PCM | Polarizable Continuum Model |
| LGO | Light Gas Oil |
| ATMOS | Atmospheric Trace Molecule Spectroscopy |
| ISOF | Insoluble Org. Fraction (e.g. |
| BRE | Bond Resonance Energy |