| Acronym | Meaning |
| CPED | Convergent Probe Electron Diffraction |
| MSMO | Multiple Scattering Molecular Orbital Method (also Known As X(alpha) Scattered-wave) |
| OSSA | Office Of Space Science And Applications (NASA) |
| FOMP | First Order Magnetization Process |
| OBDD | Ordered Bicontinuous Double-diamond |
| GIAO | Gage Invariant Atomic Orbital |
| LCAO | Linear Combination Of Atomic Orbitals |
| LLRD | Long-lived Radioactive Dust |
| ASAS | Advanced Solid State Array Spectrometer |
| PID | Photoionization Detector (gas Chromatography) |