| Acronym | Meaning |
| SADPT | Symmetry-adapted Double Perturbation Theory |
| MSS | Monosulfide Solid Solution |
| ITRI | Inhalation Toxicology Research Institute |
| VDZ | Valence Double Zeta |
| SCSA | Small-curvature Semiclassical Adiabatic (approxn. For Mol. Energy Levels) |
| PVD | Physical Vapor Deposition |
| NAPRI | North American Pollutant Release Inventory |
| HEV | Hybrid Electric Vehicle |
| ACSI | Accelerated Strategic Computing Initiative (for Fusion Reactor) |
| ASDEX | Axially Symmetric Divertor Expt. |