| Acronym | Meaning |
| BEJ | Best Engineering Judgement |
| LIMB | Limestone Injection/multistage Burner |
| IDF | Insoluble Dietary Fiber |
| ACOP | Approved Code Of Practice (UK) |
| MICS | Magnetospheric Ion Compn. Spectrometer |
| PWBE | Plane-wave Born Approxn. With Exchange |
| ZPL | Zero-phonon Line |
| HWR | Heavy Water Reactor |
| AI | 'Agpaitic Index' And Represents The (Na2O + K2O)/Al2O3 Ratio. |
| MACAWS | Multi-center Airborne Coherent Atmospheric Wind Sensor |