| Acronym | Meaning |
| SHAPE | Simulation Of Human Activity And Pollution Exposure |
| ABO | Adiabatic Born-Oppenheimer (wave Functions) |
| MR-RWA | Many Resonance-rotating Wave Approxn. |
| ICPEMC | International Commission On Protection Against Environmental Mutagens And Carcinogens |
| PEM | Photoelectron Microscopy |
| LCBO | Linear Combination Of Bonding Orbitals |
| FOND | Fiber-optic Neutron Detector |
| PETRA | Plasma Engineering And Technology Research Assembly |
| CERCLIS | Comprehensive Environmental Response |
| OETP | Orbiter Electron Temp. Probe |