| Acronym | Meaning |
| SEE | Space Environment And Effects |
| ANITA | Ammonia And Nitrification Analyzer |
| ORS | Odds Ratios |
| PIA | Peaking Impulse Approxn. (for Electron-exchange Collisions) |
| ATSDR | Agency For Toxic Substances And Disease Registry |
| WARMF | Watershed Anal. Risk Management Framework |
| PRS | Perturbed Rotational State (method For Ion-mol. Collisions) |
| STS | Slater Transition State (for Calcg. Electronic Transitions Of Atoms And Molecules) |
| PBZN | Peroxybenzoyl Nitrate |
| CFRM | Continuous Filament Random Mat |