| Acronym | Meaning |
| OSHRC | Occupational Safety And Health Review Commission |
| ETS | Extended Transition State (method For Bond Dissocn. Energies) |
| EET | Electronic Energy Transfer |
| RAHB | Resonance-assisted Hydrogen Bond |
| TMOS | Tetramethyl Orthosilicate |
| EDGAR | Emissions Database For Global Atm. Research |
| HDL | High Density Lipoprotein |
| IC | Ion Chromatography |
| XMCD | X-ray Magnetic Circular Dichroism |
| OPLC | Overpressured Layer Chromatography |