| Acronym | Meaning |
| MFA | Molecular-field Approximation |
| TWC | Three-Way Catalyst(s) |
| SOS | Southern Oxidant Study |
| CIS | Chemical Information System |
| EPEBS | Enhanced Proton Elastic Backscattering |
| ETL | Electron Transport Layer |
| ETIC | Environmental Teratology Information Center |
| GSAS | Generalized Structure And Anal. Software |
| CIM | Ceramic Injection Molding |
| SAXS | Small Angle X-ray Scattering |