| Acronym | Meaning |
| EEM | Environmental Effects Monitoring |
| APDI | Anisotropic Point-dipole Interaction (model For Calcg. Long-range Intermol. Dispersion Forces) |
| CLF | Current Literature File |
| GT | Gas Turbine |
| GLAS | Geoscience Laser Altimeter System |
| ASA | At. Sphere Approxn. |
| CHEM | Chemical Collection Database (accessible Through OLS) |
| X-SAR | X-Band Synthetic Aperture Radar |
| RUDAD | RUmen-Derived Anaerobic Digester |
| GI | Many Electron Wave Functions That Are Simultaneously Eigen-functions Of The Total Spin Projection Operators And Satisfy The Pa |