| Acronym | Meaning |
| AEM | Analytical Electron Microscopy |
| FMDF | Fixed Mirror Distributed Focus (solar Concentrator) |
| XAPS | X-ray Appearance Potential Spectroscopy |
| CCGM | Cabrera-Celli-Goodman-Manson (at. Scattering Theory) |
| ASPRS | American Society Of Photogrammetry And Remote Sensing |
| CC-VTZ | Correlation Consistent-valence Triple Zeta (basis Set) |
| NMOG | Non-Methane Organic Gases |
| OSWER BBS | OSWER Electronic Bulletin Board System (see CLU-IN) |
| LPLC | Lift Plus Lift Cruise |
| GBH | Gravel Bed Hydroponic System (for Wastewater Treatment) |