| Acronym | Meaning |
| PAW | Projector Augmented-wave [ab-initio Method] |
| GPM | Generalized Perturbation Method (in Electronic Theory Of Phase Stability Of Alloys) |
| NKA | (Na2O + K2O)/Al2O3 |
| SBTT | Small Business Technology Transfer |
| AVCC | Average Carbonaceous Chondrites |
| ESA | Endangeded Species Act |
| RITZ | Regulatory And Investigative Treatment Zone |
| CLIA-88 | Clinical Laboratory Improvement Amendments Of 1988 |
| CBOD | Carbonaceous Biochemical Oxygen Demand |
| EPR | Electrochem. Potentiodynamic Reactivation |