| Acronym | Meaning |
| SACF | Symmetry-adapted Configuration Function |
| CTE | Charge-transfer Efficiency |
| POCH | Polarized Ochkur |
| NPSSMO | Nonpaired Spin Spatial Molecular Orbital |
| GTA | Gas Tungsten Arc Welding |
| RI/FS | Remedial Investigation/feasibility Study (Superfund) |
| CLRC | Central Laboratory Of The Research Councils |
| ESA | Electrostatic Self-assemblypar |
| QSM | Quantum Shell Model |
| ASCW | Axial Spin Current Wave (type Of Hartree-Fock Wave Function) |