| Acronym | Meaning |
| PSI | Pollution Standard Index |
| CNDO/OPTIC | CI Method For Elec. Transition Moments Of The Optical Transition Of Large Mols. Based On CNDO/S Parametrization |
| BALF | Bronchoalveolar Lavage Fluid |
| CCDW | Commensurate Charge-density Wave |
| SEL | Stacked Elemental Layer (vapor Deposition Technique) |
| LAN | Local-area Network |
| EGDN | Ethylene Glycol Dinitrate |
| RACER | Research On Antarctic Coastal Ecosystem Rates |
| UHP | Ultra High Purity |
| FISCI | Final Ionic State Configuration Interaction |