| Acronym | Meaning |
| COBRAS | Cosmic Background Radiation Anisotropy Satellite |
| SRLS | Stimulated Raman Loss Spectroscopy |
| RIXS | Resonant Inelastic X-ray Scattering |
| ASPERA | Analyzer Of Space Plasma And Energetic Atoms (Mars Express Spacecraft) |
| ARPKD | Autosomal Recessive Polycystic Kidney Disease |
| BSRS | Backward Stimulated Raman Spectrometry |
| PNN | Probabilistic Neural Network |
| SCEP | Self-consistent Electron-pair Theory |
| HEPA | High-efficiency Particulate Air Filter |
| HMBC | Heteronuclear Multiple-bond Correlation |