| Acronym | Meaning |
| MPO | Metropolitan Planning Organization |
| OTDR | Optical Time Domain Reflectometry |
| DMETEG | Dimethyl Ether Of Tetraethylene Glycol |
| ASW | Axial Spin Wave (type Of Hartee-Fock Wave Function) |
| ALMR | Advanced Liquid Metal Reactor |
| RBCOD | Readily Biodegradable Chemical Oxygen Demand |
| GMISS | Gridded Model Information Support System |
| CHARM | Complex Hazardous Air Release Model |
| PMN | Polymorphonuclear Leukocyte |
| BTX | Botulinum Toxin |