| Acronym | Meaning |
| CLF | Current Literature File |
| NOV | Notice Of Violation |
| MMI | Man-machine Interface |
| ABPA | Allergic Bronchopulmonary Aspergillosis |
| NEDS | National Emission Data System (USEPA) |
| PEDM | Perturbation Expansion (of The) Density Matrix |
| PWTM | Plane-wave T-matrix (for Electron-atom Scattering) |
| USP | United States Pharmacopeia |
| QDA | Quadratic Discriminant Analysis |
| CHELEQ | Charge Electronegativity Equalization |