| Acronym | Meaning |
| TMDL | Total Maximum Daily Load |
| QSO | Quasistellar Objects |
| SCOD | Soluble Chemical Oxygen Demand |
| NSAID | Non-steroidal Anti-inflammatory Drug |
| UVPES | Ultraviolet Photoelectron Spectroscopy |
| CSTIM | Channeling Scanning Transmission Ion Microscopy |
| VOD | Veno-occlusive Disease |
| GLAST | Gamma-ray Large Area Space Telescope |
| AJCC | American Joint Committee On Cancer |
| TGEP | Trace Gas Exchange Program |