| Acronym | Meaning |
| DCASV | D.c. Anodic Stripping Voltammetry |
| OETP | Orbiter Electron Temp. Probe |
| RIA | Relative Ion Abundance |
| TRACE | Transport And Atmospheric Chemistry Near The Equator |
| FECO | Fringes Of Equal Chromatic Order |
| GCP | Good Clinical Practice |
| HAADF | High-angle Annular Dark-field |
| DENIS | Deep Near-Infrared Survey |
| DZ | Double Zeta (basis Set) |
| BRS | Biennial Reporting System |