| Acronym | Meaning |
| NTGS | Air/Superfund National Technical Guidance Study |
| DOPAC | 3,4-dihydroxyphenylacetic Acid |
| PMC | Permanently Manned Capability (of Space Station) |
| MIPS | Million Instructions Per Second |
| STN | Subthalamic Nucleus |
| UCHF | Uncoupled Hartree-Fock |
| ROWPU | Reverse Osmosis Water Purification Unit |
| APP | Acoustic Phase Plate |
| BCKA | Branched-chain Keto-acid |
| SHR | Selective Hybrid Reduction |