| Acronym | Meaning |
| MIM | Multipole-induced-multipole Model |
| DCXRD | Double Crystal X-ray Diffraction |
| NDB | Nondefective Bonding |
| LCPA | Local Coherent Potential Approximation |
| ADS | Accelerator Driven System |
| BIO-FIX | Biomass Foam Immobilized Extractant |
| LTU | Land Treatment Unit |
| LGM | Last Glacial Maximum (most Recent Era Of Continental Glaciation; See Also PGP) |
| EBR | Experimental Breeder Reactor |
| OSSE | Oriented Scintillation Spectrometer Experiment |