| Acronym | Meaning |
| WPO | Wet Peroxide Oxidation [wastewater Treatment] |
| FBTR | Fast Breeder Test Reactor |
| QBO | Quantitative Basis Orbital (an MO Or AO) |
| WHH | Width At Half Height [in X-ray Diffraction] |
| BSCCO | Bismuth Strontium Calcium Copper Oxide |
| NCAP | Nematic Curvilinear Aligned Phase |
| LBD | Ligand Binding Domain |
| TIPS | Technical Information Packages |
| NETA | National Environmental Training Association |
| ZHEV | Zero-Headspace Extraction Vessel |