| Acronym | Meaning |
| PTR-MS | Proton Transfer Reaction-mass Spectrometry |
| CHF-PT-EB | Coupled Hartree-Fock-perturbation Theory-extended Basis |
| HAZW | Hazardous Waste Collection Database (accessible Through OLS) |
| FBTR | Fast Breeder Test Reactor |
| SRS | Surface Reflectance Spectroscopy |
| ARAES | Angular Resolved Auger Electron Spectroscopy |
| DTRA | Defense Threat Reduction Agency |
| PIRI | Photoinduced Rydberg Ionization |
| HPDSC | High-pressure Differential Scanning Calorimetry |
| GECSC | Generalized Exponential Cosine Screened Coulomb (potential) |