| Acronym | Meaning |
| ATIR | Attenuated Total Reflectance Infrared |
| ESA | Electrokinetic Sonic Amplitude |
| RILS | Regulatory Interpretation Letters |
| BFS | Blast Furnace Slag |
| FATE | Functional Attributes In Terrestrial Ecosystems |
| DCBA | Drift Chamber Beta-ray Analyzer |
| CS | Configuration Space (in Wave Functions) |
| PFS | Planetary Fourier Spectrometry |
| VOF | Volume Of Fluid |
| EARISS | Energy And Angle Resolved Ion Scattering Spectroscopy |