| Acronym | Meaning |
| JOSO | Joint Organization For Solar Observations |
| MCSTEP | Multiconfigurational Spin-tensor Electron Propagator |
| CDD | Chlorinated Dibenzo-p-dioxin |
| RIFS | Reflectometric Interference Spectroscopy |
| SPE | Solar Proton Event |
| EVB | Empirical Valence Bond |
| SUCCESS | Subsonic Aircraft: Contrail And Cloud Effects Special Study |
| IRPTC | International Register Of Potentially Toxic Chemicals |
| STLC | Soluble Threshold Limit Concentration |
| DTMR | Diffusion Tensor Magnetic Resonance |