| Acronym | Meaning |
| LOXJET | Liq. Oxygen Torch System |
| RITZ | Regulatory And Investigative Treatment Zone |
| REIMEP | Regulation European Interlab. Measurement Evaluation Program |
| SGO | Spherical Gaussian Orbital |
| ELM | Emulsion Liquid Membranes |
| IRI | International Reference Ionosphere |
| EPEN | Empirical Potential (based On Interaction Of) Electrons (and) Nuclei |
| STS | Sequence-tagged Site |
| HRAP | High Rate Algal Pond |
| MA | Mission Abort |