| Acronym | Meaning |
| HSI | Heat Stress Index |
| WOHL | Wisconsin Occupational Health Laboratory |
| SSED | Solar System Exploration Division (NASA) |
| FDR | Frequency Domain Reflectometry |
| TNF | Tumor Necrosis Factor-alpha |
| QFT | Quantum Field Theory |
| WSI | Wafer Scale Integration |
| GH | Growth Hormone |
| WRIB | Waste Reduction Information Bibliography (component Of WRAS) |
| VLF | Very Low Frequency (radiowaves) |