| Acronym | Meaning |
| LAO | London Atomic Orbital |
| COSEPUP | Committee On Science |
| SINGER | System-wide Information Network For Genetic Resources |
| IRP | Internal Reflection Photolysis |
| FMC | Flow Microcalorimetry |
| ELINCS | European List Of Notified Chemical Substances |
| LIT | Linear Ion Trap |
| MLTCS | Mesosphere-lower Thermosphere Coupling Study |
| CRH | Corticotropin-releasing Hormone |
| LMWH | Low-molecular-weight Heparin |