| Acronym | Meaning |
| PMAD | Power Management And Distribution (system) (of Space Station) |
| FCSA | Frequency-corrected Sudden Approxn. (in Mol. Collision Calcns.) |
| RTP | Room Temperature Phosphorescence |
| CDA | Conceptual Design Activity |
| IGPP | Institute Of Geophysics And Planetary Physics |
| INIS | International Nuclear Information System |
| ENA | Energetic Neutral Atoms (astronomical Plasmas) |
| MSP | Monosodium Phosphate |
| QPLDA | Quasiparticle Local-density Approxn. |
| MPLC | Medium Pressure Liquid Chromatography |