| Acronym | Meaning |
| PTA | Packed Tower Aeration |
| FOLIBS | Fiber Optic Laser Induced Breakdown Spectroscopy |
| CHDF | Capillary Hydrodynamic Fractionation |
| GIPM/D | Ground State Inversion Potential Method Including Diffraction |
| AMIA | American Medical Informatics Association |
| CNWRA | Center For Nuclear Waste Regulatory Analyses |
| HLVB | Heitler-London Valence Bond |
| EMPACT | Environmental Monitoring For Public Access And Community Tracking |
| MMSE | Minimum Mean Square Error |
| UGLCC | Upper Great Lakes Connecting Channels |