| Acronym | Meaning |
| IMD | Intermetal Dielectric |
| FMIT | Fusion Materials Irradiation Test |
| TTLW | Through-transmission Laser Welding |
| WQMSGL | Water Quality Modeling System For The Great Lakes |
| AMSR | Advanced Microwave Scanning Radiometer |
| PTA | Pulse Thermal Analysis |
| AU | Astronomical Unit |
| ISC | Initial Safe Concentration |
| MMP | Monitoring Master Plan (of North Sea Task Force) |
| EFTIR | Emission Fourier Transform Infrared Spectroscopy |