| Acronym | Meaning |
| GCOS | Global Climate Observing System (WMO |
| PEDS | Plasma-enhanced Deposition System |
| EGRET | Energetic Gamma Ray Experiment Telescope |
| GE-EPMA | Grazing-exit Electron Probe Microanalysis |
| NISO | National Information Standards Organization |
| NF-E1 | Nuclear Factor Erythroid 1 |
| COS | Corona Oxide Semiconductor |
| LDA | Linear Discriminant Analysis |
| FMDF | Fixed Mirror Distributed Focus (solar Concentrator) |
| CLP | Contract Laboratory Program |