| Acronym | Meaning |
| DWPI | Derwent World Patents Index |
| WRIB | Waste Reduction Information Bibliography (component Of WRAS) |
| GMAW | Gas Metal Arc Welding |
| ACSI | Accelerated Strategic Computing Initiative (for Fusion Reactor) |
| MWPC | Multiwire Proportional Chamber |
| NWWA | National Water Well Association |
| GREAT-ER | Geog.-referenced Regional Exposure Assessment Tools For European Rivers |
| EIMS | Environmental Information Management System |
| MMCDF | Multichannel Multiconfiguration Dirac-Fock Method |
| SACF | Symmetry-adapted Configuration Function |