| Acronym | Meaning |
| EMA | Effective Mass Approxn. (for Impurity Energy Levels) |
| PIMC | Path-integral Monte-Carlo |
| DOA | Dioctyl Adipate |
| BER | Bit Error Rate |
| X-SAR | X-Band Synthetic Aperture Radar |
| LEU | Low Enrichment Uranium |
| OSRHF | Open-shell Restricted-Hartree-Fock |
| LASTO | Linear Augmented Slater-type Orbital (for Electronic Structure) |
| UMLS | Unified Medical Language System |
| NOHS | National Occupational Hazard Survey |