| Acronym | Meaning |
| POLINAT | Pollution From Aircraft Emissions In The North Atlantic Flight Corridor |
| AWJ | Abrasive Waterjet |
| GDI | Gasoline Direct Injection |
| SNO | Spin Natural Orbital |
| BEW | Base (or Biological) Equivalent Weight |
| CHES | 3-(cyclohexylamino)ethylsulfonic Acid |
| ACCSA | Adiabatic Capture Centrifugal Sudden Approximation |
| LEMF | Laser-excited Molecular Fluorescence |
| NIRIM | National Institute For Research In Inorganic Materials |
| CASV-MC-SCF | Complete Active Space Valence Space-multiconfiguration-SCF |