| Acronym | Meaning |
| NSSS | Nuclear Steam Supply System |
| GFEMO | Generalized Free Electron Molecular Orbital |
| PFNA | Pulsed Fast-neutron Analysis |
| CST | Charcoal Sorbent Tubes |
| VBXES | Valence Band X-ray Emission Spectroscopy |
| VLBI | Very Long Baseline Interferometry |
| IGCI | Industrial Gas Cleaning Institute |
| GCA | Generator Coordinate Approxn. |
| SAW | Surface Acoustic Wave |
| APMP | Acid Precipitation Mitigation Program |