| Acronym | Meaning |
| ITG | Ion Temperature Gradient |
| CCA | Coupled-cluster Approach |
| ROBK2 | Relativistic Second-order Oppenheimer-Brinkman-Kramers (in Ion-scattering Calcns.) |
| MESNA | Sodium 2-mercaptoethane Sulfonate |
| CCL | Drinking Water Contaminant Candidate List |
| GEMMA | Gas-phase Electrophoretic Mobility Molecular Analysis |
| VPDB | Vienna Peedee Belemnite |
| COGS | Computer Oriented Geological Society |
| ZORA | Zeroth-order Regular Approximation |
| FMAFSH | FeO-MgO-Al2O3-Fe2O3-SiO2-H2O System |