| Acronym | Meaning |
| DOR | Double Rotation |
| APE | Aerosol Photoemission |
| SPA | Self-consistent Phonon Approximation |
| MSRI | Mass Spectroscopy Of Recoiled Ions |
| SETS | Superfund Enforcement Tracking System |
| HMW | High Molecular Weight |
| SMR | Standardized Mortality Ratios |
| NAI | Neutral Atom Imaging (astronomical Plasmas) |
| NPTN | National Pesticide Telecommunications Network |
| AWFCO | Automatic Waste Feed Cutoff |