| Acronym | Meaning |
| NCAP | Nematic Curvilinear Aligned Phase |
| CEM | Continuous Emissions Monitoring |
| NEDO | The New Energy Development Organization (Japan) |
| PGNP | Prompt Gamma Neutron Probe |
| FIOR | Fluid Iron Ore Reduction |
| BDT | Brueckner (with) Double (and) Triple (substitutions) |
| ACRS | Applied Computational Research Society |
| MMVF | Man Made Vitreous Fibers |
| VGO | Vacuum Gas Oil |
| OD | Optical Density |