| Acronym | Meaning |
| ESA | Endangeded Species Act |
| UAM | Urban Airshed Model |
| MCEP | Multiconfigurational Electron Propagator (in Ionization Potential Calcns.) |
| SRBSN | Sintered Reaction-bonded Silicon Nitride |
| ALEX | Aerosol LIDAR Experiment |
| EBSD | Electron Back Scatter Diffraction |
| SGFM | Surface Green Function Matching (method In Calcn. Of Electronic And Phonon Properties Of Crystal Surfaces And Interfaces) |
| ICB | Ionized Cluster Beam |
| FUMI | Function Of Mutual Information |
| SDIM | Scaled Diatomics-in-molecules |