| Acronym | Meaning |
| CSRS | Cooperative State Research Service (US Dept. Of Agriculture) |
| IPVD | Ionized Physical Vapor Deposition |
| UTP | Unitary Transformation (based) Perturbation (theory) |
| CBED | Convergent-beam Electron Diffraction |
| WDD | Weighted Density Distribution |
| NBSR | Neutron Beam Split-core Reactor |
| GLWQB | Great Lakes Water Quality Board |
| HCCI | Homogeneous Charge Compression Ignition |
| FMO | Frontier Molecular Orbital |
| SOAP | Spectrometric Oil Analysis Program |