| Acronym | Meaning |
| DMA | Direct Multicomponent Analysis |
| BEI | Backscattered Electron Imaging |
| DDIM | Dry Deposition Inferential Monitoring |
| FPC | Fixed Partial Charge |
| GAIN | Global Agricultural Information Network |
| EPA | Electron Population Analysis |
| SAT | Sulfuric Acid Trihydrate (polar Stratosphere Cloud Aerosol) |
| ESDN | Electron Stimulated Desorption Of Neutrals |
| ERG | Emergency Response Guidebook |
| TENR | Technologically Enhanced Natural Radioactivity |