| Acronym | Meaning |
| SCOP | Structural Classification Of Proteins |
| VLE | Vapor-liquid Equilibrium |
| MSFC | Marshall Space Flight Center |
| PFEO | Perimeter Free Electron Orbital |
| CPD | Cyclobutane Pyrimidine Dimer |
| CLND | Chemiluminescent Nitrogen Detection |
| PFOA | Perfluorooctanoic Acid |
| NGST | Next Generation Space Telescope |
| HNS | Explosive |
| DOCC | Description Of Current Conditions |