| Acronym | Meaning |
| LPG | Liquefied Petroleum Gas |
| APMP | Acid Precipitation Mitigation Program |
| MODR | Microwave Optical Double Resonance |
| VCDW | Vector Charge-density Wave |
| TLR | Toll-like Receptor |
| USN | Ultrasonic Nebulizer |
| NERC | North American Electric Reliability Council |
| CBS | Complete Basis Set |
| IEET | Intramolecular Electronic Energy Transfer |
| CDRH | Center For Devices And Radiological Health |