| Acronym | Meaning |
| HRXPS | High Resolution X-ray Photoelectron Spectroscopy |
| FD | Forced Draft |
| USDA | United States Department Of Agriculture |
| MCPI | Monte Carlo Path Integration |
| CCC | Counter Current Chromatography |
| MRD-CI | Multireference Double-excitation Configuration Interaction |
| MODIS | Moderate Resolution Imaging Spectroradiometer |
| SERDS | Shifted Excitation Raman Difference Spectroscopy |
| ERD | Emergency Response Division |
| TOMS | Total Ozone Mapping Spectrometer |