| Acronym | Meaning |
| MAFIAS | Micro Ammonia Flow Injection Analysis System |
| HATREMS | Hazardous And Trace Emissions System |
| IGHAT | Integrated-gasification Humid-air Turbine [cycle] |
| PSTM | Photon Scanning Tunneling Microscopy |
| ASU | Air Separation Unit |
| CISS | Constant-initial-state Spectroscopy |
| MFC | Mass Flow Controller |
| KERD | Kinetic Energy Release Distribution |
| GACT | Generally Available Control Technology |
| HHW | Household Hazardous Waste |