| Acronym | Meaning |
| HEU | Highly Enriched Uranium |
| GCAM | Global Change Assessment Modeling |
| HSX | Helically Symmetric Experiment |
| CHFET | Complementary Heterojunction Field-effect Transistor |
| ISV | Initial Settling Velocity |
| ISEA | International Society For Exposure Analysis |
| CLIMAP | Climate Long-range Investigation Mapping And Prediction |
| ODP | Ocean Drilling Program |
| PCE | Tetrachloroethylene (perchloroethylene Or Perk) |
| ARIAP | Acid Rain Impact Assessment Program |