| Acronym | Meaning |
| HFE | Hot-feed Extrusion |
| TED | Transmission Electron Diffraction |
| THESEO | Third European Stratospheric Experiment On Ozone |
| PSCC | Pseudostate Close Coupling |
| IASC | International Arctic Science Committee |
| MNDO/M | Modified MNDO |
| DCEN | Direct Current Electrode Negative |
| AWS | American Welding Society |
| SEP | Standard Error Of Prediction |
| EGP | Evolved Gas Profile |