DED

DED may refer to:

• Death effector domain, a signalling pathway in cell biology
• Deutscher Entwicklungsdienst, German Development Service
• District Electoral Division, a low-level territorial division in Ireland
• Doctor of Education, correctly spelled D.Ed. or Ed.D.
• Dutch elm disease, fungal disease of elm trees
• Dravidian Etymological Dictionary by Thomas Burrow and M. B. Emeneau
• Deferred Enforced Departure, an immigration status in the U.S. similar to Temporary Protected Status
• Double error detection, a form of error-correcting code
• Dragging Equipment Detector , a piece of railroad equipment placed on the track used to detect any part of the train that is dragging on the ground — a type of Defect detector

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