| Acronym | Meaning |
| SAMHSA | Substance Abuse And Mental Health Services Administration |
| ERG | Emergency Response Guidebook |
| IKBS | Intelligent Knowledge Based Systems |
| UGLCC | Upper Great Lakes Connecting Channels |
| HIWIP | Homojunction Interfacial Work-function Internal Photoemission |
| RCNDO | Rydberg CNDO |
| ILM | Immobilized Liquid Membrane |
| MBESHO | Maximum Bond-energy Symmetry Hybrid Orbital |
| ERIC | Educational Resources Information Center |
| MFP | Magnetic Field Perturbative (method) |