| Acronym | Meaning |
| CST | Charcoal Sorbent Tubes |
| SEDM | Selective Excitation Double Moessbauer |
| TSAE | Two-state Atomic Expansion (model For Atom-ion Collisions) |
| OPHF | Orbital-polarized Hartree-Fock |
| GRIN | Gradient Refractive Index |
| NWIS | Nuclear Weapons Identification System |
| PBO | Polarized Born-Oppenheimer |
| ISO | IR Space Observatory |
| TPSR | Temp.-programmed Surface Reaction |
| GSI | Gonadosomatic Index |