| Acronym | Meaning |
| IAES | Ion Excited Auger Electron Spectroscopy |
| DFTG | Density Functional Theory (with) Gradient (corrections) |
| ORU | In Orbit Replaceable Unit (spacecraft) |
| VZV | Varicella-zoster Virus |
| CADRE | Computer Aided Data And Retrieval And Evaluation Software |
| FWM | Four-wave Mixing |
| ALA | American Library Association |
| CSH | Centrifugal Sudden Hyperspherical (coordinate Reactive Scattering Code) |
| ASB | Ambient Stds. Branch [of The US EPA] |
| MAE | Microalloying Elements |