| Acronym | Meaning |
| CELDS | Computer Aided Environmental Legislative Data System |
| IAS | Isobaric Analog States |
| VREF | Vancomycin-resistant Enterococcus Faecium |
| BCGA | British Compressed Gases Association |
| CDER | Center For Drug Evaluation And Research |
| PYMS | Pyrolysis Mass Spectrometry |
| SSPM | Scanning Surface Potential Microscopy |
| DIB | Diffuse Interstellar Band |
| GIOS | Generalized Infinite Order Sudden |
| SNPS | Space Nuclear Power System |