| Acronym | Meaning |
| ARROW | Anti-resonant Reflecting Optical Waveguide |
| ANPP | Aboveground Net Primary Production |
| GEIA | Global Emissions Inventory Assessment |
| HEEPS | Health And Environmental Effects Profiles |
| MRCEPA | Multireference Coupled-electron-pair Approxn. |
| EHC | Environmental Health Committee |
| LPC | Light Paraffin Conversion |
| PPLO | Pleuropneumonia-like Organism |
| NMVOC | Nonmethane Volatile Organic Compound |
| FGAN | Fertilizer Grade Ammonium Nitrate |