| Acronym | Meaning |
| HEXS | High-energy X-ray Scattering |
| EBRT | Empty-bed Residence Time |
| DHS | Double Heterostructure |
| SCA | Semiclassical Approximation |
| LMC | Low-pressure Molding Compound |
| EETU | Environmental Education And Training Unit |
| NADW | North Atlantic Deep Water |
| GPCP | Global Precipitation Chemistry Program |
| RADM | Regional Acid Deposition Model |
| ERL-C | Environmental Research Laboratory Corvallis |