| Acronym | Meaning |
| NIA | National Institute On Aging |
| CPEO | Chronic Progressive External Ophthalmoplegia |
| USJ | Ultra-shallow Junction |
| ODAS | Ocean Data Acquisition System |
| HID | High Interstitial Defect |
| GDL | Glow Discharge Lamp |
| NLCR | Nonlinear Continuum Regression |
| EFH | Extended Fenske-Hall (LCAO MO Method) |
| PDM3.1 | Probabilistic Dilution Model Version 3.1 |
| PVB | Projected Valence Bond |