| Acronym | Meaning |
| SPIRIT | Spatial IR Imaging Telescope |
| CGCT | Constrained Geometry Catalyst Technology [polymerization] |
| ASRG | Analytical Spectroscopy Research Group |
| NASICON | Na Super-ionic Conductor |
| FRSS | Federal Register Search System |
| HETA | Hazard Evaluation Technical Assistance Branch (NIOSH) |
| LPP | Laser-produced Plasma |
| FGHAZ | Fine Grain Heat-affected Zone |
| KRIPES | K-resolved Inverse Photoemission Spectroscopy |
| HDM | Humic Degradation Matter |