| Acronym | Meaning |
| SSRL | Stanford Synchrotron Radiation Laboratory |
| NRRA | Nuclear Resonant Reaction Analysis |
| BAC-MP4 | Bond-additivity-corrected Moeller-Plesset 4th-order Perturbation |
| PP | Polarization Propagator |
| OEL | Occupational Exposure Limit |
| CEM | Corrected Effective Medium (for Atomic Interactions) |
| PNN | Lead Nickel Niobate |
| PAOD | Peripheral Arterial Occlusive Disease |
| NO | Natural Orbital |
| HOHAHA | Homonuclear Hartman-Hahn Spectroscopy |