| Acronym | Meaning |
| MRCI | Multireference Configuration Interaction |
| SSC | Sudden Storm Commencement (magnetic Storm) |
| LUV | Large Unilamellar Vesicle |
| HAO | Hybrid Atomic Orbital |
| LZC | Liquid Zone Control (in Alloy Processing) |
| TAP | Toxic Air Pollutant |
| FIPS | Federal Information Processing Standard |
| LOMI | Low Oxidation-state Metal Ions |
| PBM | Probability-based Matching |
| ITMS | Ion Trap Mass Spectrometer |