| Acronym | Meaning |
| APD | Avalanche Photodiode |
| SXRD | Surface X-ray Diffraction |
| EACVD | Electron-assisted Chemical Vapor Deposition |
| COGS | Computer Oriented Geological Society |
| CAE | Constant Analyzer Energy |
| HFSE | High Field Strength Element(s) |
| SNFC | Sulfonated Naphthalene-formaldehyde Condensates |
| VSTEP | Vertical-to-surface Transmission Electrophotonic Device |
| SBUV | Solar Backscatter UV Instrument |
| SEDM | Selective Excitation Double Moessbauer |