| Acronym | Meaning |
| GADD | Growth Arrest And DNA Damage |
| MAPS | Measurement Of Air Pollution From Satellites |
| AEFCA | All-electron Frozen-core Approximation |
| HLMI | High Load Melt Index |
| DLTS | Deep-level Transient Spectroscopy |
| CODIS | Combined DNA Index System |
| EDXRF | Energy Dispersive X-ray Fluorescence |
| NFPA | National Fire Protection Association |
| AO | Office Of The Administrator |
| LEISS | Low-energy Ion-scattering Spectroscopy |