| Acronym | Meaning |
| LCHAO | Linear Combination Of Hybrid Atomic Orbitals |
| SCF | Self-consistent Field |
| PXR | Parametric X-ray |
| OTEC | Ocean Thermal Energy Conversion |
| BLS | Bureau Of Labor Statistics |
| LSC | Luminescent Solar Concentrator |
| XANES | X-ray Absorption Near Edge Structure |
| DCCC | Droplet Counter Current Chromatography |
| RRR | Residual Resistivity Ratio |
| MAO | Modified Atomic Orbital |