| Acronym | Meaning |
| RDQ | Reduced-dimensionality Quantum (calcn. Method) |
| LAL | Limulus Amebocyte Lysate (endotoxin Test) |
| BATSE | Burst And Transient Source Experiment |
| HFFT | Hot Filament Fouling Test |
| CLIPS | Chemical List Index And Processing System |
| WAO | Wet Air Oxidation |
| RON | Research Octane Number |
| TIME | Transferred Ionized Molten Energy Process (for Metal Arc Welding) |
| COMARO | Composite Magic-angle Rotation |
| ESW | Electroslag Welding |