| Acronym | Meaning |
| UGLCC | Upper Great Lakes Connecting Channels |
| CLS | Classical Least-squares |
| SOGVB | Spin Optimized Generalized Valence Bond Method |
| EMAIL | Electronic Mail |
| VLBA | Very Long Baseline Array |
| MAR | Matrix Attachment Region |
| FANES | Furnace Atomization Non-thermal Emission Spectrometry |
| AQMA | Air Quality Maintenance Area |
| SLEAF | Scanning Laser Environmental Airborne Fluorosensor |
| AASD | Anaerobic Activated Sludge Digestion |