| Acronym | Meaning |
| PON | Pump Octane Number |
| WTIE | Wastewater Treatment And Information Exchange |
| SEC | Size Exclusion Chromatography |
| AEROS | Aerometric And Emissions Reporting System |
| PUMP | Pure (alpha-spin-state) Unrestricted Moeller-Plesset Nth-order (wave Function) |
| FTC | Federal Trade Commission |
| CFFE | Continuous Free Flow Electrophoresis |
| CAPCA | Closure And Postclosure Activity |
| DASH | Dynamic Allele-specific Hybridization |
| GCHAZ | Grain-coarsened Heat-affected Zone |