| Acronym | Meaning |
| RPA | Random Phase Approximation |
| GLISP | Great Lakes International Surveillance Plan |
| HMDE | Hanging Mercury Drop Electrode (in Electrochemistry) |
| SNG | Synthetic Natural Gas |
| BTIS | Beam Tube Isolation System |
| INS | Inelastic Neutron Scattering |
| APD | Antiphase Domain |
| SWAG | Simulated Waste Access To Groundwater |
| LRFDCD | Lifetime-resolved Fluorescence-detected Circular Dichroism |
| ECRC | Environmental And Contaminants Research Center |