| Acronym | Meaning |
| RITG | Radiatively Important Trace Gases |
| ASW | Augmented Spherical Wave |
| NMMAPS II | The National Morbidity |
| MS X(ALPHA) | Multiple-scattering X(alpha) Exchange Method |
| GIC | Graphite Intercalation Compound |
| LLRW | Low Level Radioactive Waste |
| EPA | Extended Pair Approxn. (in Elec. Cond. Calcn.) |
| SDLTS | Scanning Deep-level Transient Spectroscopy |
| MMI | Mucous Membrane Effects |
| BDTT | Brittle-to-ductile Transition Temperature |