| Acronym | Meaning |
| PTGS | Post-transcriptional Gene Silencing |
| MGS/TES | Mars Global Surveyor Thermal Emission Spectrometer |
| CEPPO | Chemical Emergency Preparedness And Prevention Office |
| SED | Spectral Energy Distribution |
| OVC | Optimized Valence Configuration |
| CORC | Cooperative Online Resource Catalog |
| TPH | Total Petroleum Hydrocarbons |
| VFA | Volatile Fatty Acid |
| NES | Nuclear Export Signal |
| CAPA | Critical Aquifer Protection Area |