| Acronym | Meaning |
| VDI | Verein Deutscher Ingenieure (German Engineers Society) |
| PEF | Peak Expiratory Flow |
| MBE | Molecular Beam Epitaxy |
| ASR | Alkali-silica Reaction |
| SCP-IOS | Semiclassical Perturbation-infinite Order Sudden |
| CS | Configuration Space (in Wave Functions) |
| AAETA | Atomic Spectroscopy With Electrothermal Atomization |
| BWCCD | Brillouin-Wigner Coupled-cluster (with) Double (excitation) |
| BNFL | British Nuclear Fuels Laboratory |
| WMO | World Meteorological Organization |