| Acronym | Meaning |
| SME | Solid-metal Embrittlement |
| PITST | Path Integral Transition State Theory |
| ANGIS | Australian National Genomic Information Servicepar |
| AES | Auger Electron Spectroscopy |
| SD-MBPT | Single (and) Double (substituted States) Many-body Perturbation Theory |
| WQMSGL | Water Quality Modeling System For The Great Lakes |
| XGRS | X-ray/gamma-ray Spectrometer |
| RMP2 | Restricted Moeller-Plesset Second-order (perturbation Theory) |
| CLP | Contract Laboratory Program |
| ISDN | Isosorbide Dinitrate |