| Acronym | Meaning |
| FEMA | Federal Emergency Management Agency |
| SOPPA | Second-order Polarization Propagator Approxn. |
| DSA | Dynamic Simulated Annealing (for Electronic Structure In Liq.metals) |
| SIC | Standard Industrial Classification |
| GIAXRD | Grazing Incidence Angle X-ray Diffraction |
| INEL | Idaho National Engineering Lab. |
| ULIRG | Ultraluminous Infrared Galaxy |
| MDA | Metal Deactivator |
| URIF | Uniformly Retreating Ice Front [in Model Of Dehydration] |
| PLM | Polarized-light Microscopy |