| Acronym | Meaning |
| POCH | Polarized Ochkur |
| NAPRI | North American Pollutant Release Inventory |
| AISIT | Automatic Intelligent Sampler For Inorganic Trace Constituents |
| BOSS | Brigham Young University Organic Sampling System |
| HLMI | High Load Melt Index |
| DARPA | Defense Advanced Research Projects Agency (Department Of Defense) |
| STOCSY | Statistical Total Correlation Spectroscopy |
| PDT | Photodynamic Therapy |
| OCE-DF | One-center Expansion Dirac-Fock |
| SWA | Slow-wave Activity |