| Acronym | Meaning |
| MP | Model Potential |
| OAR | Office Of Air And Radiation (USEPA) |
| LPA | Linear Polyacrylamide |
| AAR | Alkali-aggregate Reaction |
| DEA | Drug Enforcement Administration |
| QAPW | Quadratic Augmented Plane Wave (in Band-structure Calcn.) |
| AEDE | Annual Effective Dose Equivalent |
| NTB | Nonorthogonal Tight-binding |
| CIVA | Charge-induced Voltage Alteration |
| PBP | Penicillin Binding Protein |