| Acronym | Meaning |
| IKES | Ion-kinetic-energy Spectroscopy |
| SCM | Subsurface Chlorophyll Maximum |
| CFFV | Clean Fuel Fleet Vehicle |
| DIC | Differential Interference Contrast |
| DTR | Diffusion Transfer Reversal |
| FV-CAS-SCF | Full Valence-complete Active Space-SCF |
| PWBA-C-EX | Coulomb Corrected Plane Wave Born Approxn. (with) Exchange |
| EUROTRAC | European Experiment Of Transport And Transformation Of Environmentally Relevant Trace Constituents In The Troposphere Over Eur |
| EA | Environmental Assessment |
| ENDS | European Nuclear Documentation System |