| Acronym | Meaning |
| PCA | Preliminary Consequence Analysis |
| EVAD | Electro-hydraulic Ventricular Assist Device (heart Implantable) |
| HPRT | Hypoxanthine Phosphoribosyltransferase |
| BEES | Ballistic Electron Emission Spectroscopy |
| MMDR | Microwave-microwave Double Resonance |
| GLNPO | Great Lakes National Program Office |
| DDF | Depth Distribution Function |
| L2 | Square Integrable (wave Function) (in Electron-atom Or -mol. Collisions) |
| NACEPT | National Advisory Council For Environmental Policy And Technology |
| ACS | Adiabatically Corrected Sudden |