| Acronym | Meaning |
| GDO | Generalized Diatomic Orbital |
| LPO | Lipid Peroxidation |
| GUE | Gaussian Unitary Ensemble (of Random Matrixes In Quantum-transport Studies) |
| EBD | Electron Beam Doping |
| HSA | Hyperspherical Adiabatic (for Resonances In Electron-atom Scattering. Energy Levels |
| RDA | Representational Difference Analysis |
| ALIAS | Aircraft Laser Infrared Absorption Spectrometer |
| RCI | Restricted Configuration Interaction |
| GPR | Ground-penetrating Radar |
| OBK3 | Third-order Oppenheimer-Brinkman-Kramers |