| Acronym | Meaning |
| PWR | Pressurized Water Reactor |
| CEPM | Coupled Electron Pair Method |
| IND | Investigational New Drug |
| FOCAL | Francais Ocean Et Climat Dans L'Atlantique Equatorial |
| HTD | Hancock-Truhlar-Dykstra (potential Energy Surface) |
| HRS | Hazard Ranking System |
| DCEN | Direct Current Electrode Negative |
| FEM | Field Emission Microscopy |
| MESIP | Modeling Environmental Scenarios In Ponds |
| ILAS | Improved Limb Atmospheric Spectrometer |