| Acronym | Meaning |
| ECEC | Effective Cation Exchange Capacity |
| SESAO | Semiempirical Scaled Atomic Orbital |
| MARDIGRAS | Matrix Analysis Of Relaxation For DIscerning The Geometry Of An Aqueous Structure |
| XGRS | X-ray/gamma-ray Spectrometer |
| GFFF | Gravitational Field-flow Fractionation |
| AEDC | Arnold Engineering Development Center |
| TBBM | Tight-binding Bond Model |
| CFFE | Continuous Free Flow Electrophoresis |
| DSCF | Direct Self-consistent Field |
| MLVA | Multiple-locus Variable-number Tandem Repeat Analysispar |