| Acronym | Meaning |
| PACE | Plasma Assisted Chemical Etching |
| SEXAFS | Surface-extended X-ray Absorption Fine Structure |
| SEPT | Secular Equation (with) Perturbation Theory |
| USATHAMA | US Army Toxic And Hazardous Materials Agency |
| SOMO | Semioccupied Molecular Orbital |
| CHF | Coulomb Hartree-Fock |
| LOD | Loss On Drying |
| DE | Dynamics Explorer (spacecraft) |
| DXA | Dual-energy X-ray Absorptiometry |
| GQDPT | Generalized Quasidegenerate Perturbation Theory |