| Acronym | Meaning |
| RNS | Reactive Nitrogen Species |
| WQS | Water Quality Standard |
| HSE | Health And Safety Executive |
| DMPP | 1,1-dimethyl-4-phenylpiperazinium Iodide |
| DED | Death Effector Domain |
| FFTB | Final Focus Test Beam |
| JSGA | Japanese Spaceguard Association |
| APECS | Auger Photoelectron Coincidence Spectroscopy |
| MDQ | Minimum Detectable Quantity |
| LEP | Local Electron Pair (model For Intra- & Intermol. Interactions) |