| Acronym | Meaning |
| NAWDEX | National Water Data Exchange |
| STD | Sexually Transmitted Disease |
| PES | Photoelectron Spectroscopy |
| ISFSI | Independent Spent Fuel Storage Installation |
| IT | Integral Transform |
| TTSS | Tropospheric Trace Species Sounder |
| SEP | Stimulated Emission Pumping |
| CCSD-GF | CCSD-green Function |
| BLS | Brillouin Light Scattering |
| COSHH | Control Of Substances Hazardous To Health (UK) |