| Acronym | Meaning |
| EDRS | Enforcement Document Retrieval System |
| SDG | Signed Directed Graph (model) |
| HID | High Intensity Discharge |
| SVOC | Semivolatile Organic Compounds |
| EEF GTO | Electric Field Gradient Gaussian-type Orbital |
| OSAC | Organic Structures Accessed By Computer |
| FOPIM | First Order Perturbation Iteration Method |
| OCOS | Orbital Charge-ordering State |
| CDW | Continuum Distorted Wave |
| RLPPS | Reactive Low-pressure Plasma Spraying |