| Acronym | Meaning |
| CI-HY | Configuration Interaction-Hylleraas |
| MRA | Magnetic Resonance Angiography |
| EPACML | Environmental Protection Agency's Composite Landfill Model |
| EBL | Extragalactic Background Light |
| POC | Purgeable Organic Carbon |
| PAE | Postantibiotic Effect |
| SCEM | Semiclassical Self-consistent Eikonal Method |
| INMM | Institute Of Nuclear Materials Management |
| WATOC | World Association Of Theoretically Oriented Chemists |
| PO-DVR | Potential Optimized-discrete Variable Representation |