Der or DER may refer to:
Places
*
Darkənd
Darkənd (also, Dər, Dar, and Der) is a village and municipality in the Ordubad District of Nakhchivan, Azerbaijan
Azerbaijan, officially the Republic of Azerbaijan, is a Boundaries between the continents, transcontinental and landlock ...
, Azerbaijan
*
Dearborn (Amtrak station)
The John D. Dingell Transit Center, also known as the Dearborn Transit Center, is an intermodal transit station in Dearborn, Michigan. It is served by Amtrak's ''Wolverine'' line as well as Suburban Mobility Authority for Regional Transporta ...
(station code), in Michigan, US
*
Der (Sumer)
Der (Sumerian language, Sumerian: 𒌷𒂦ð’€ð’† ''uruBAD3.ANki''; Akkadian language, Akkadian: 𒌷𒂦ð’€ð’† ''uruBAD3.ANki'' or ''urude-e-ru(ki)'') was a Sumerian city-state at the site of modern Tell Aqar near Badra, Iraq, al-Badra in Ir ...
, 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 AS ...
, a method for encoding a data object, including public key infrastructure certificates and keys
*
Distributed Energy Resources
*
∂, the partial derivative symbol
*
Derivation (differential algebra) on an algebra ''A'' over a field ''K'', the space (module) of which is denoted Der
''K''(A)
*
Deep energy retrofit, 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 w ...
, former Australian Government-funded educational reform program
*
DER rental (Domestic Electric Rentals Ltd), a UK television rentals company
*
Documentary Educational Resources, 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expansive set of regulations first promulgated by the British authorities in Mandatory Palestine in 1945, The British repealed them before withdrawing from Palestine in 1948. Along with the entire body ...
, 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