| Acronym | Meaning |
| LSR | Lanthanide Shift Reagent |
| IAMAP | International Association Of Meteorology And Atmospheric Physics (ICSU) |
| OFET | Organic Field Effect Transistor |
| NVH | Noise, Vibration, And Harshness |
| TPA | Tissue Plasminogen Activator |
| CRP | CAMP Receptor Protein |
| ERG | Emergency Response Guidebook |
| BOO | Bond Order Orbital |
| HCA | Hazardous Communication Act |
| OEP | Optimized Effective-potential (quantum Method) |