| Acronym | Meaning |
| PICA | Picosecond Imaging Circuit Analysis |
| LPWN | Low Power Wireless Network |
| SCAQMD | South Coast Air Quality Management District |
| NSS | National Stream Survey (USA) |
| QUASAR | Quality Simulation Along Rivers (environmental Model) |
| ESAD | Electron-stimulated Associative Desorption |
| COMA | Cyclic Olefin Maleic Anhydride |
| RCSB | Research Collaboratory For Structural Bioinformatics |
| ISI | Institute For Scientific Information |
| ISRE | Interferon-stimulated Response Element |