| Acronym | Meaning |
| RPCR | Restricted Principal Component Regression |
| KADP | Kentucky Acid Deposition Program |
| ABMR | Atomic Beam Magnetic Resonance |
| IMOMO | Integrated Molecular Orbital And Molecular Orbital |
| MLC | Multilayer Ceramic Capacitor |
| WRITE | Waste Reduction Innovative Technology Evaluation (US EPA) |
| NLC | Next Linear Collider |
| UCL | Upper Confidence Limit |
| NKB | Nachklarbecken; Secondary Settling Tank |
| AXS | Anomalous X-ray Scattering |