| Acronym | Meaning |
| ESE MO | Essential-structure-elements Molecular Orbital |
| PBG | Photonic Band Gap |
| DSDP | Deep Sea Drilling Project |
| BRDF | Bidirectional Reflectance Distribution Function |
| CPQRA | Chemical Process Quantitative Risk Assessment |
| LSS | Laboratory Safety System |
| VIMOS | VIsible MultiObject Spectrograph |
| SAPT | Symmetry-adapted Perturbation Theory |
| QDT | Quantum-defect Theory |
| FIV | Feline Immunodeficiency Virus |