| Acronym | Meaning |
| HMIX | Hazardous Materials Information Exchange |
| ITFW | Improved Thomas-Fermi-Weizaecker (model) |
| ECSFM | Electrochemical Scanning Force Microscopy |
| CHAART | Center For Health Applications Of Aerospace-Related Technologies |
| SODART | Soviet Danish Roentgen Telescope |
| ETL | Electron Transport Layer |
| EPM | Electron Probe Microscopy |
| UMLS | Unified Medical Language System |
| USPC | Unoccupied-states Potential Correction |
| NMOG | Non-Methane Organic Gases |