| Acronym | Meaning |
| RIS | Rotational Isomeric State |
| NAO | Natural Atomic Orbital |
| AQMD | Air Quality Management District |
| MS-RC(XI) | Multiple Scattering Relativistic Correlated (calcn. Method) |
| BPC | Bonded-phase Chromatography |
| SLIT | Solid-liq. Intermol. Transfer |
| BRI | Building-related Illness |
| BFS | Blast Furnace Slag |
| TRAPDOR | Transfer Of Populations In Double Resonance |
| ISCI | Initial-state Configuration Interaction |