| Acronym | Meaning |
| PEK | Poly(ether Ketone) |
| NIHHS | Notification Of Installations Handling Hazardous Substances Regulations (UK) |
| HAT | Humid-air Turbine [cycle] |
| WSF | Water Soluble Fraction |
| PRM | Primary Reference Material |
| ABS | Arc Bond Sputter |
| PERL | Passivated Emitter And Rear Locally Diffused (solar Cells) |
| BDH | British Drug House |
| MODPOT | Model Potential |
| MBMS | Molecular Beam Mass Spectrometry |