| Acronym | Meaning |
| FOE | First-order Exchange (in Electron-atom Scattering Calcn.) |
| GCTM | Global Chemical Transport Model |
| ARPS | Angle-resolved Photoelectron Spectroscopy |
| DSITMS | Direct Sampling Ion Trap Mass Spectrometry |
| DIU | Data Information Unit (of WOCE Data System) |
| MPO | Modified Polarized Orbital |
| EUSES | European Union System For Evaluation Of Substances |
| DMR | Discharge Monitoring Report |
| PMDL | Practical Method Detection Limit |
| HBOC | Hereditary Breast-ovarian Cancer |