| Acronym | Meaning |
| RRPA | Relativistic Random Phase Approximation |
| AMDQW | Asymmetric Modulation Doped Quantum Well |
| DUVPL | Deep Ultraviolet Projection Lithography |
| DSRT | Deep Sea Reversing Thermometer |
| USAN | US Adopted Names (for Drugs) |
| LCP | Local Complex Potential (in Electron-atom Scattering) |
| DOJ | U.S. Department Of Justice |
| ARIPO | African Regional Intellectual Property Organization |
| LXR | Liver X Receptorpar |
| NECAC | National Environmental Compliance Assistance Center |