| Acronym | Meaning |
| IRBP | Interstitial Retinol-binding Protein |
| HGCU | Hot Gas Cleanup |
| ZDDP | Zinc Dialkyl Dithiophosphate |
| PSXD | Position Sensitive X-ray Detector |
| TTL | Transistor-transistor Logic |
| CLS | Core Level Spectroscopy |
| QAPW | Quadratic Augmented Plane Wave (in Band-structure Calcn.) |
| HAZOP | Hazard And Operability Study |
| CHRIS | Chemical Hazards Response Info System |
| REMCO | ISO Council Committee On Reference Materials |