| Acronym | Meaning |
| EFG GTO | Electric Field Gradient Gaussian-type Orbital |
| ACAMS | Automatic Continuous Air Monitoring System |
| LC | Liquid Chromatography |
| MWM | Meandering Winding Magnetometer |
| SD-MBPT | Single (and) Double (substituted States) Many-body Perturbation Theory |
| NEXAFS | Near-edge X-ray Absorption Fine Structure |
| MCL | Method Calibration Limit |
| IRAS | Infrared Astronomy Satellite |
| GMDH | Group Method Of Data Handling |
| IGWMC | International Ground Water Modeling Center |