| Acronym | Definition |
|---|
| SEDR➣State Energy Data Report (state and national energy consumption data; Energy Information Administration; US Department of Energy) |
| SEDR➣Single Event Dielectric Rupture (dielectric breakdown in microelectronics from ionizing particle) |
| SEDR➣Supplementary Experiment Data Record (astronomy) |
| SEDR➣Slot-Excited Dielectric Resonator |
| SEDR➣Service Engineering Department Report (US NASA) |