| Acronym | Meaning |
| MWPC | Multiwire Proportional Chamber |
| XRD | X-ray Diffraction Analysis |
| MESA | Mass Concentration Extinction Size Analyzer |
| PFEO | Perimeter Free Electron Orbital |
| HPAM | Hydrolyzed Polyacrylamide |
| HFG | Hartree-Fock-Gopinathan (quantum Theory Or Wave Function) |
| GEK | Geomagnetic Electrokinetograph |
| SXPS | Soft X-ray Photoelectron Spectroscopy |
| GVP | Gasoline Vapor Pressure |
| SWAT | Soil Water Assessment Tool |