| Acronym | Meaning |
| EDWA | Exponential Distorted-wave Approxn. (atom-ion Electron-exchange Calcns.) |
| FOREGS | Forum Of European Geological Surveys |
| NIAID | National Institute Of Allergy And Infectious Diseases |
| NOV | Notice Of Violation |
| TRAF | Tumor Necrosis Factor Receptor-associated Factor |
| NOEL | No Observable Effect Level (in Animal Tests) |
| ATD | Atmospheric Technology Division |
| AIPHOS | Artificial Intelligence For Planning And Handling Organic Synthesis |
| NPDES | National Pollutant Discharge Elimination System |
| OSBP | Oxysterol-binding Protein |