| Acronym | Meaning |
| IHC | Interim Hazard Classification |
| SBA | Short Bed Adsorbers |
| MES | 2-(N-morpholino)ethanesulfonic Acid |
| POAM | Polar Ozone And Aerosol Measurements |
| CHF | Congestive Heart Failure |
| XEAPS | X-ray Excited Electron Appearance Potential Spectroscopy |
| DBD | DNA Binding Domain |
| USCAR | United States Council For Automotive Research |
| VSEP | Vibratory Shear Enhanced Process |
| GUGA | Graphical Unitary Group Approach |