| Acronym | Meaning |
| EDWBA | Exponential Distorted Wave Born Approximation |
| ATMS | Assumption-based Truth Maintenance System |
| MOSES | Mineral Oil Spill Evaluation System |
| PPMA | Parts Per Million Atomic |
| NBMO | Nonbonded Molecular Orbital |
| SDI | Silt Density Index |
| ILSS | Interlaminar Shear Strength |
| EFG | Electric Field Gradient |
| LNRS | Laser Nonresonant Shadowgraphy |
| SCAG | Southern California Association Of Governments |