| Acronym | Meaning |
 | IWRA | International Water Resources Association (USA) |
 | APD | Azimuthal Photoelectron Diffraction |
 | UDF | Unrestricted Dirac-Fock |
 | DIDG | Diisodecyl Glutarate |
 | LNO | Localized Natural Orbital |
 | NRM | Natural Remanent Magnetization |
 | WAP | Waste Analysis Plan |
 | HSQC | Heteronuclear Single Quantum Coherence |
 | OSW | US Office Of Saline Water |
 | HFKS | Hartree-Fock-Kohn-Sham (density-functional Theory) |