| Acronym | Meaning |
| CADW | Converged-adiabatic Distorted-wave (quantum Calcn. Method) |
| ERDAS | Earth Resource Data Analysis System |
| XUV | Extreme Ultraviolet |
| ELEPS | Extended London-Eyring-Polyani-Sato (potential Energy Surface) |
| EXSY | Exchange Spectroscopy |
| ARRP | Acid Rain Research Program |
| DRG | Dorsal Root Ganglion |
| CELIA | Competitive Enzyme-Linked Immunoassay |
| PYS | Partial Yield Spectroscopy |
| GLOMAC | Global Modeling Of Atmospheric Chemistry |