| Acronym | Meaning |
| A/C | Activated Carbon |
| NSF | Near-surface Fractionated (mantle) |
| MXRF | Micro-beam X-ray Fluorescence |
| SPA | Shielded-potential Approxn. (in Electronic Structure) |
| BFB | Bubbling Fluidized Bed |
| FOLZ | First-order Laue Zone |
| MCM | Multichip Modules |
| DLOS | Deep-level Optical Spectroscopy |
| CAFB | Chemically Active Fluidized Bed |
| EIRFT | Extended Inversion-recovery Fourier Transform |