DN

Look up dN in Wiktionary, the free dictionary.

DN, dN, or dn may refer to:

Science, technology, and mathematics

Computing and telecommunications

• Digital number, the discrete of an analog value sampled by an analog-to-digital converter
• Directory number in a phone system
• Distinguished Name, an identifier type in the LDAP protocol
• Domain name, an identification string used within the Internet
• Domain Nameserver
• DOS Navigator, a DOS file manager

Mathematics

• dn (elliptic function), one of Jacobi's elliptic functions
• D_n, a Coxeter–Dynkin diagram
• D_n, a dihedral group

Other uses in science and technology

• Decinewton (symbol dN), an SI unit of force
• Diametre Nominal, the European equivalent of Nominal Pipe Size
• Diameter of a rolling element bearing in mm multiplied by its speed in rpm
• Deductive-nomological model, a philosophical model for scientific explanation
• Double negative T cells, also called CD4⁻CD8⁻
• Diabetic nephropathy
• Diabetic neuropathy
• DN Factor, a value used to calculate the correct lubricant for bearings

Entertainment

• Double nil, a bid in the game of Spades (card game)
• Descriptive chess notation
• Duke Nukem, a video game character and a game franchise

Journalism

• The Ball State Daily News, the student newspaper of Ball State University in Muncie, Indiana
• Dagens Næringsliv, a Norwegian newspaper
• Dagens Nyheter, a Swedish newspaper
• Democracy Now!, the flagship program for the Pacifica Radio network
• Diário de Notícias, a Portuguese newspaper

Places

• Denmark (WMO country code DN)
• DN postcode area for Doncaster and surrounding areas, UK
• Dunedin, New Zealand (commonly abbreviated DN)
• Dadra and Nagar Haveli, a former union territory of India

Other uses

• DN, IATA code of Dan Air
• Down (disambiguation)
• Diebold Nixdorf, American financial technology company
• Digha Nikaya, a part of the Buddhist Tripitaka
• International DN, a kind of iceboat
• Dreadnought, a class of warships
• Debit note, a commercial document
• DN, then IATA code for Norwegian Air Argentina
• DN, then IATA code for Senegal Airlines

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