| Acronym | Meaning |
| THEED | Transmission High-energy Electron Diffraction |
| STEAMER | Slow Turning Echo Amplitude Modulation And Echo Reduction |
| ESW | Equivalent Slab Waveguide |
| ASMD | Atmospheric Sciences Modeling Division (US EPA) |
| IMPDH | Inosine-5'-monophosphate Dehydrogenase |
| SLAPS | Superconducting Large Area Phonon Sensors |
| DFFT | Double Forward Fourier Transformation |
| ARPUS | Angle-resolved Ultraviolet Photoelectron Spectroscopy |
| CIBO | Council Of Industrial Boiler Owners |
| EFP | Effective Fragment Potential Method |