| Acronym | Meaning |
| MOBI | MO Bond Index |
| TRS | Total Reduced Sulfur |
| STAR | Solenoidal Tracker At RHIC |
| OEH | One-electron Hamiltonian (quantum Method) |
| MSAPC | Mobile Source Air Pollution Control |
| EBL | Electron-beam Lithography |
| CGE | Capillary Gel Electrophoresis |
| FFDCA | Federal Food, Drug, And Cosmetic Act (US) |
| ZPL | Zero-phonon Line |
| PISA | Pharmaceutical Information Systems Association |