| Acronym | Meaning |
| TFA | Thomas-Fermi-Amaldi (equation) |
| RMM | Relative Molecular Mass |
| SLF | Slater-Laguerre (hydrogenic-type Wave) Function |
| TPY | Total Photon Yield |
| TADAP | Transport And Deposition Of Acidifying Pollutants (European Environmental Model) |
| DMA | Differential Mobility Analyzer |
| ASK | Apoptosis Signal-regulating Kinase |
| GAW | Global Atmospheric Watch |
| TOPSE | Tropospheric Ozone Production About The Spring Equinox |
| AIDE | Annie Interactive Development Environment |