| Acronym | Meaning |
| ESE | Electron Spin Echo |
| APME | Association Of Plastics Manufacturers In Europe |
| TNS | 6-p-Toluidino-2-naphthalenesulfonic Acid |
| ELF | Extremely Low Frequency |
| SMO | Statistical Model Of Overlap |
| PANH | Polycyclic Aromatic Nitrogen Heterocycle |
| IGAC | International Global Atmospheric Chemistry |
| UCC(N) | Unitary Coupled-cluster [truncated To Nth Order] |
| ELI | Extra Low Interstitial |
| LDV | Laser Doppler Velocimetry |