| Acronym | Meaning |
| MLT | Magnetic Local Time |
| MATHEW | Mass-Consistent-3-Dimensional Wind Field |
| PPG | Polypropylene Glycol |
| TFC | Thin Film Composite Membrane |
| PEMS | Predictive Emission Monitoring System |
| CIEF | Capillary Isoelectric Focusing |
| BSI | British Standards Institute |
| RTCVD | Rapid Thermal Chem. Vapor Deposition |
| BCRLM | Bending-corrected Rotating Linear Model (for Reactive Scattering) |
| ROSE | Residual Organic Substance Emissions |