| Acronym | Meaning |
| RASW | Relativistic Augmented Spherical Wave Method |
| SMMO | Strictly Monomer Molecular Orbital |
| NERC | North American Electric Reliability Council |
| OVFF | Orbital Valence Force Field |
| ASM | American Society For Metals |
| HTSS | Hierarchical Tree Substructure Search |
| AMSR | Advanced Microwave Scanning Radiometer |
| SSSA | Soil Science Society Of America |
| ESSP | Earth Systems Science Pathfinder |
| MSZ | Magnesia-stabilized Zirconia |