| Acronym | Meaning |
| NUWIG | National Uranium Resource Evaluation |
| DH&HS | Director Of Health & Human Services |
| ESDD | Earth Science Data Directory |
| LES | Large-eddy Simulation |
| ITCT | Inter-Continental Transport And Chemical Transformation |
| AL | Analytical Laboratory |
| NESDIS | National Earth Satellite Data And Information System |
| KBYTE | Kilobyte (103) |
| IMAGES | Intermediate Model For The Annual And Global Evolution Of Interactive Systems |
| NEPRF | Naval Environmental Prediction Research Facility |