| Acronym | Meaning |
| GAEP | Generalized Atomic Effective Potential |
| RDF | Refuse Derived Fuel |
| MRFM | Magnetic Resonance Force Microscope |
| PGE | Platinum Group Elements |
| OPC | Ordinary Portland Cement |
| EDZ | Emission Density Zoning |
| FIOR | Fluid Iron Ore Reduction |
| IOSA | Infinite Order Suden Approxn. (for Mol. Scattering Calcns.) |
| SPECT | Single Photon Emission Computerized Tomography |
| CFSE | Crystal Field Stabilization Energy |