| Acronym | Meaning |
| EHB | Extended Hubbard (hamiltonian) |
| ECD | Environmental Cleanup Division |
| MUBFF | Modified Urey Bradley Force Field |
| FRED | Flexible Regional Emissions Data System |
| ASPT | Av. Score Per Taxon |
| ASGP | Aerobic Suspended Growth Process |
| ORAC | Organic Reaction Accessed By Computer |
| IAC | Immunoaffinity Chromatography |
| RTPM | Real-time Polarization Modulation |
| OMVPE | Organometallic Vapor-phase Epitaxy |