| Acronym | Meaning |
| BOFT | Bearing Oil Film Thickness |
| VPS | Vacuum Plasma Spraying |
| WAND | Wide Angle Neutron Diffraction |
| EF | Emission Factor |
| PAC | Polycyclic Aromatic Compound |
| MFP | Mean Free Path |
| QEEC | Quasimol. Extended Elementary Cell (for Electronic Structure Calcns. Of Crystals) |
| IPHAS | The INT/WFC Photometric H-alpha Survey Of The Northern Galactic Plane |
| ULPA | Ultra Low Penetration Air |
| STAD | Simple Town Air Dispersion Model (of Air Pollution) |