| Acronym | Meaning |
| PE | Population Equivalent (in Wastewater Treatment) |
| EMA | Effective Mass Approxn. (for Impurity Energy Levels) |
| MPC | Model Predictive Control |
| IUVSTA | International Union Of Vacuum Science |
| ISP | In-line Strip Production |
| NHE | Na+-H+ Exchanger |
| WHMIS | Workplace Hazardous Materials Information System (Canada) |
| SRC | Submarine Reactor Compartments |
| PSL | Polystyrene Latex |
| CVMO | Cluster Valence Molecular Orbital |