| Acronym | Meaning |
| PIVCDW | Phase Integral Variational Continuum Distorted Wave |
| SIRMO | Senior Information Resource Management Officer |
| ARRPA | Air Resources Regional Pollution Assessment Model |
| GHSV | Gas Hourly Space Velocity |
| ACIS | Advanced CCD Imaging Spectrometer |
| HTML | Hypertext Markup Language |
| DDRPA | Double Direct Random Phase Approximation |
| SAGE | Stratospheric Aerosol And Gas Experiment |
| LOSIS | Law Of The Sea Information System |
| DPFGSE | Double Pulse Field Gradient Spin Echo |