| Acronym | Meaning |
| UNESCO | United Nations Educational |
| BORT | Bond Orbital Resonance Theory |
| FFFSG | Fossil Fuel Fired Steam Generator |
| AHU | Air Handling Unit |
| PESTM | Photon Emission Scanning Tunnel Microscopy |
| OAR | Office Of Air And Radiation (USEPA) |
| CORE | Comprehensive Risk Evaluation |
| AKAP | A-kinase Anchoring Protein |
| PRT | Platinum Resistance Thermometer |
| HBAR | High-overtone Bulk Acoustic Resonator |