| Acronym | Meaning |
| NIWR | National Institute For Water Research (South Africa) |
| AOT40 | Accumulated Ozone Exposure Over A Threshold Of 40 Ppb |
| VPEEM | Valence Band Photoemission Electron Microscopy |
| ACC | American College Of Cardiology |
| EHP | Electron-hole Plasma |
| IBARE | Ion Beam Assisted Radical Etching |
| GCTM | Global Chemical Transport Model |
| BBK | Brauner-Briggs-Klar (wave Function In Atom-electron Scattering) |
| FRAM | Fine Resolution Antarctic Model |
| PCET | Proton-coupled Electron Transfer |