| Acronym | Meaning |
| NDA | New Drug Application |
| EBA | Eikonal Born Approxn. |
| POAM | Polar Ozone And Aerosol Measurements |
| IGOR | Interactive Generation Of Organic Reactions |
| PEFR | Peak Expiratory Flow Rate (lung Function) |
| SWICH | Solid Waste Information Clearinghouse And Hotline |
| ASM | Activated-sludge Model |
| TDSE | Time-dependent Schroedinger Equation |
| MEG4 | Multiexponentially Generated 4 (wave Functions) |
| QD-MBPT | Quasi-degenerate Many-body Perturbation Theory |