| Acronym | Meaning |
| BLS | Bureau Of Labor Statistics |
| EDA | Electron Donor-acceptor |
| ISS | Ion Scattering Spectroscopy |
| FWM | Four-wave Mixing |
| PSD | Prevention Of Significant Deterioration |
| BIS | Bremsstrahlung Isochromat Spectroscopy |
| SORG | Stratospheric Ozone Review Group |
| MINOS | Main Injector Neutrino Oscillation Search |
| NLGI | National Lubricating Grease Institute |
| E-2PH-TDA | Extended Two-particle-hole Tamm-Dancoff Approxn. (green-function Method For Ionization-energy Calcns.) |