| Acronym | Meaning |
| PIXET | Proton Induced X-ray Emission Tomography |
| VCE | Vapor Compression Evaporator |
| NHEJ | Nonhomologous End Joining |
| CVAAS | Cold Vapor Atomic Absorption Spectrometry |
| HPOTP | High Pressure Oxidizer Turbopump |
| DAL | Defect Action Level |
| EI | Emissions Inventory |
| CAMEO | Computer Aided Management Of Emergency Operations |
| UAQI | Uniform Air Quality Index |
| AGCI | Aspen Global Change Institute |