| Acronym | Meaning |
| ATEM | Analytical Transmission Electron Microscopy |
| GAIN | Global Agricultural Information Network |
| FECS | Federation Of European Chemical Societies |
| MUSLE | Modified Universal Soil Loss Equation (erosion Model) |
| PCL | Phase Conjugate Laser |
| MBSCI | Minimum Basis Set Configuration Interaction |
| AEM | Analytical Electron Microscopy |
| DMRG | Density Matrix Renormalization Group (quantum Calcn. Method) |
| ARIC | Acid Rain Information Clearinghouse |
| STPF | Stabilized-temperature Platform Furnace |