Der
Appearance
Der or DER may refer to:
Places
- Der (Sumer), an ancient city located in modern-day Iraq
- Darkənd, Azerbaijan
- Dearborn (Amtrak station) (station code), Michigan, US
Science and technology
- Derivative chromosome, a structurally rearranged chromosome
- Distinguished Encoding Rules, a method for encoding a data object, including public key infrastructure certificates and keys
- Distributed Energy Resources
- ∂, the partial derivative symbol
Organizations
- Digital Education Revolution an Australian Government funded educational reform program
- DER rental (Domestic Electric Rentals Ltd), a UK television rentals company
- Documentary Educational Resources, non-profit film producer and distributor
Other uses
- Designated Engineering Representative, in the Federal Aviation Administration