| Acronym | Meaning |
| ICRMS | Ion Cyclotron Resonance Mass Spectrometry |
| FRDM | Finite-Range Droplet Model |
| CIEIA | Competitive Inhibition Enzyme Immunoassay |
| NIWR | National Institute For Water Research (South Africa) |
| QLCPMET | Quasilinearized Coupled-pair-many-electron Theory |
| CCG | Constant Crystal Growth (model) |
| L2MS | Laser-desorption Laser-ionization Mass Spectrometry |
| SDG | Signed Directed Graph (model) |
| AEY | Auger Electron Yield |
| ECMWF | European Center For Medium Range Weather Forecast |