Der or DER may refer to:

Places

* Darkənd, Azerbaijan * Dearborn (Amtrak station) (station code), in Michigan, US *

Der (Sumer) Der ( Sumerian: ALUDi-e-ir , 𒌷𒂦𒀭𒆠 uruBAD3.ANki) was a Sumerian city-state at the site of modern Tell Aqar near al-Badra in Iraq's Wasit Governorate. It was east of the Tigris River on the border between Sumer and Elam. Its name w ...

, an ancient city located in modern-day Iraq * d'Entrecasteaux Ridge, an oceanic ridge in the south-west Pacific Ocean

Science and technology

* Derivative chromosome, a structurally rearranged chromosome *

Distinguished Encoding Rules X.690 is an ITU-T standard specifying several ASN.1 encoding formats: * Basic Encoding Rules (BER) * Canonical Encoding Rules (CER) * Distinguished Encoding Rules (DER) The Basic Encoding Rules (BER) were the original rules laid out by the ASN. ...

, a method for encoding a data object, including public key infrastructure certificates and keys *

Distributed Energy Resources Distributed generation, also distributed energy, on-site generation (OSG), or district/decentralized energy, is electrical generation and storage performed by a variety of small, grid-connected or distribution system-connected devices referred to ...

∂ The Character (symbol), character ∂ (Unicode: U+2202) is a stylized cursive ''d'' mainly used as a Table of mathematical symbols, mathematical symbol, usually to denote a partial derivative such as / (read as "the partial derivative of ''z'' wit ...

, the partial derivative symbol *

Deep energy retrofit A Deep energy retrofit (abbreviated as DER) can be broadly categorized as an energy conservation measure in an existing building also leading to an overall improvement in the building performance. While there is no exact definition for a deep ener ...

, an energy conservation measure

Organizations

Digital Education Revolution The Digital Education Revolution (DER) was an Australian government–funded educational reform program, promised by then prime minister of Australia Kevin Rudd during the launch of his 2007 Australian federal election campaign in Brisbane. It wa ...

, former Australian Government-funded educational reform program *

DER rental Radio Rentals was formed in 1930Radio Rentals Staff Handbook in Brighton, Sussex, UK to rent out radio sets by Percy Perring-Thoms with a turnover in the first year of £780 (). It later offered televisions and ultimately video recorders for re ...

(Domestic Electric Rentals Ltd), a UK television rentals company *

Documentary Educational Resources Documentary Educational Resources (DER) is a US non-profit producer and distributor of film and video in anthropology and ethnology. It was founded in 1968 by independent filmmakers John Marshall and Timothy Asch and is based in Watertown, Massac ...

, a non-profit film producer and distributor

Other uses

Defence (Emergency) Regulations The Defence (Emergency) Regulations are an expansive set of regulations first promulgated by the British authorities in Mandatory Palestine in 1945. Along with the entire body of Mandate legislation, they were incorporated into Israel's domestic ...

, legal regulations promulgated by the British in Mandatory Palestine in 1945 * Department of Environment Regulation, former Western Australian state government department * Designated Engineering Representative, an individual appointed to approve, or recommend approval, of technical data to the Federal Aviation Administration {{disambiguation, geo