| Acronym | Meaning |
| CD | Coulomb Dipole (in Electron-atom Impact Ionization Calcns.) |
| FTD | Flame Thermionic Detector (gas Chromatography) |
| SGTF | Spherical Gaussian-type Function |
| AGR | Advanced Gas-cooled Reactor |
| BBN | Big Bang Nucleosynthesis |
| HPIEC | High-pressure Ion-exchange Chromatography |
| CSTIM | Channeling Scanning Transmission Ion Microscopy |
| PRPP | Phosphoribosyl Pyrophosphate |
| EPHMRA | European Pharmaceutical Market Research Association |
| JOSO | Joint Organization For Solar Observations |