| Acronym | Meaning |
| ATTF | Air Toxics Task Force |
| EGSB | Expanded Granular Sludge Bed |
| LCDAO | Linear Combination Of Distorted Atomic Orbitals |
| SOCO | Second-order Correlation Orbital |
| SPW | Symmetrized Plane Wave |
| MFA | Molecular-field Approximation |
| CLRC | Central Laboratory Of The Research Councils |
| HYTEC | Hydrogen Thermoelectrochemical Converter (regenerative Fuel Cell) |
| EMS | Electromagnetic Susceptibility |
| SOFAR | Sound Fixing And Ranging |