| Acronym | Meaning |
| EBOM | Effective Bond-orbital Method |
| QMMM | Quantum Mechanics-molecular Mechanics ~ |
| IC | Ion Chromatography |
| WSD | Wear Scar Diameter |
| RDH | Rapid Displacement Heating (pulping - For Paper) |
| BCT | Best Control Technology |
| LPA | Low Profile Additive [in Plastic Composites] |
| TTI | Time-temperature Integrator |
| PEL | Permissible Exposure Limit |
| OWEC | Office Of Wastewater Enforcement And Compliance |