| Acronym | Meaning |
| GACT | Generally Available Control Technology |
| TTP | Thrombotic Thrombocytopenic Purpura |
| MAM | Modified Atoms (in) Molecules |
| ORI | Octane Requirement Increase |
| IMPEACH-MBC | Improved Performance Accordion Heteronuclear Multiple-bond Correlation |
| RH | Relative Humidity |
| VMD | Vector Meson Dominance |
| UCG | Underground Coal Gasification |
| RD/RA | Remedial Design/Remedial Action |
| CTDO | Conductivity-Temperature-Depth-Oxygen Profiler |