| Acronym | Meaning |
| XRPD | X-ray Powder Diffraction |
| GERD | Gastroesophageal Reflux Disease |
| FMTBA | Fitted Modified Tight-binding Approxn. |
| SFA | Segmented Flow Analysis |
| NPIRS | National Pesticide Information Retrieval System |
| MF | Membrane Filtration |
| QECISDTQ | Quadratic Size-extensive CISDTQ |
| TCLP | Toxicity Characteristic Leaching Procedure |
| SCGF | Self-consistent Group Function |
| MBESO | Maximum Bond Energy Symmetry Orbital |