| Acronym | Meaning |
| LEEIXS | Low Energy Electron Induced X-ray Spectrometry |
| CIRRIS | Cryogenic InfraRed Radiance Instrument For Shuttle |
| EIMS | Environmental Information Management System |
| GTP | Group-transfer Polymerization |
| CSA | Coupled Static Approxn. (in Scattering Calcns.) |
| SPEMC-SCF | Selected Paired Excitational Expansion Multiconfiguration-SCF |
| MSS | Mobile Servicing Station [space Station] |
| ORI | Octane Requirement Increase |
| MTJ | Magnetic Tunnel Junction |
| AFGL | Air Force Geophysics Laboratory |