D2, D02, D.II, D II or D-2 may refer to:

Places

Dublin 2 Dublin 2, also rendered as D2 and D02, is a historic List of Dublin postal districts, postal district on the Southside, Dublin, southside of Dublin, Ireland. In the 1960s, this central district became a focus for office development. More recently ...

, a Dublin, Ireland postcode *

D2 motorway (Czech Republic) D2 motorway ( cs, Dálnice D2) is a highway in the Czech Republic. It runs from the City of Brno to the border with Slovakia at the Morava river near Lanžhot, from where the Slovak diaľnica D2 leads to Bratislava. Construction on the D2 ...

D2 road (Croatia) D2 state road ( hr, Državna cesta D2) is a trunk state road in the northern areas of Croatia that spans from the border crossing with Slovenia at Dubrava Križovljanska in the west via Varaždin, Koprivnica, Virovitica, Našice, ...

, a state route in Croatia *

D2 motorway (Slovakia) D2 is a motorway ( sk, diaľnica) in Slovakia. It connects the Czech border at Kúty with the Hungarian border at Čunovo, passing through (ordered north to south) Malacky, Bratislava and Jarovce. It is part of the European routes E65 and E75 ...

Mount Dulang-dulang Mount Dulang-dulang, dubbed by Filipino mountaineers as "D2" and also known as Mount Katanglad, is the highest elevation peak in the Kitanglad Mountain Range, located in the north central portion of the province of Bukidnon in the island of Minda ...

, the second highest mountain of the Philippines * D2, a line of

Moscow Central Diameters The Moscow Central Diameters (MCD) (russian: links=no, Московские центральные диаметры (МЦД), Moskovskiye tsentralnye diametry (MTsD)) are a system of city train services on existing commuter rail lines in Moscow an ...

Arts & entertainment

* ''D-2'' (mixtape), a 2020 album by South Korean rapper Agust D * '' D2: The Mighty Ducks'', the second film in ''The Mighty Ducks'' trilogy *

R2-D2 R2-D2 () or Artoo-Detoo is a fictional robot character in the ''Star Wars'' franchise created by George Lucas. He has appeared in ten of the eleven theatrical ''Star Wars'' films to date. At various points throughout the course of the films, R2, ...

, a robotic ''Star Wars'' character * " D²", a 2002 episode of ''Dexter's Laboratory'' * ''D2'', a 1999 video game for the Sega Dreamcast * ''D2'', an abbreviation of the video game ''

Diablo II ''Diablo II'' is an Action role-playing game, action role-playing hack and slash, hack-and-slash video game developed by Blizzard North and published by Blizzard Entertainment in 2000 for Microsoft Windows, Classic Mac OS, and macOS. The game, ...

'' or ''

Destiny 2 ''Destiny 2'' is a free-to-play Online game, online-only multiplayer first-person shooter video game developed by Bungie. It was originally released as a pay to play game in 2017 for PlayStation 4, Xbox One, and Windows. It became free-to-play, ...

Business

* D2 (hotel chain), owned by Dusit Thani Group *

D2 Mannesmann Vodafone GmbH is a mobile telecommunications operator in Germany headquartered in Düsseldorf. It provides mobile phone, LTE, 5G, cable internet, landlines, cable TV, and IPTV services. As of the third quarter of 2021, Vodafone GmbH has mor ...

, the former name of Vodafone's German division, which resulted from the acquisition of the German company Mannesmann AG * ''D2'' (magazine), published by ''Dagens Næringsliv'' * D2, the IATA code for

Damania Airways Damania Airways was an Indian airline headquartered in Mumbai, that operated from 1993 to 1997. It was founded by the brothers, Parvez and Vispi Damania. Parvez later played a vital role in Sahara India Pariwar in their venture Air Sahara and th ...

Biology or medicine

ATC code D02 D02A Emollients and protectives D02AA Silicone products D02AB Zinc products D02AC Soft paraffin and fat products D02AD Liquid plasters D02AE Carbamide products :D02AE01 Carbamide :D02AE51 Carbamide, combinations D02AF Salicylic acid prepa ...

''Emollients and protectives'', a subgroup of the Anatomical Therapeutic Chemical Classification System * Dopamine receptor D₂, a protein * Levuglandin D2 * Prostaglandin D₂ receptor, a G-protein coupled receptor *

Resolvin D2 Resolvins are specialized pro-resolving mediators (SPMs) derived from omega-3 fatty acids, primarily eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), as well as docosapentaenoic acid (DPA) and clupanodonic acid. As autacoids similar ...

Cyclin D2 G1/S-specific cyclin-D2 is a protein that in humans is encoded by the ''CCND2'' gene. Function The protein encoded by this gene belongs to the highly conserved cyclin family, whose members are characterized by a dramatic periodicity in prot ...

(CCND2) * Vitamin D₂, or

ergocalciferol Ergocalciferol, also known as vitamin D2 and nonspecifically calciferol, is a type of vitamin D found in food and used as a dietary supplement. As a supplement it is used to prevent and treat vitamin D deficiency. This includes vitamin D defici ...

* D02, the

ICD-10 ICD-10 is the 10th revision of the International Statistical Classification of Diseases and Related Health Problems (ICD), a medical classification list by the World Health Organization (WHO). It contains codes for diseases, signs and symptoms, ...

code for carcinoma in situ of middle ear and respiratory system *

DIO2 Type II iodothyronine deiodinase (''iodothyronine 5'-deiodinase'', ''iodothyronine 5'-monodeiodinase'') is an enzyme that in humans is encoded by the ''DIO2'' gene. Function The protein encoded by this gene belongs to the iodothyronine deiodin ...

, Type II iodothyronine deiodinase, an enzyme involved in the thyroid system

Vehicles

Aircraft

* D.II, a 1916 German fighter aircraft * (Berg) D.II, a 1917 -Hungarian fighter prototype *

STS-55 STS-55, or Deutschland 2 (D-2), was the 55th overall flight of the NASA Space Shuttle and the 14th flight of Shuttle '' Columbia''. This flight was a multinational Spacelab flight involving 88 experiments from eleven different nations. The expe ...

or D2, the second German-sponsored Spacelab mission * Daimler D.II, a Daimler aircraft * Delta D2, an Australian diesel-powered helicopter design * D.2, an aircraft * DFW , a Deutsche aircraft * Dunne D.2, a British Dunne aircraft * Euler D.II, a 1917 German single-seat fighter *

Fokker D.II __NOTOC__ The Fokker D.II was a German fighter biplane of World War I. It was a single-seat fighter aircraft developed before the Fokker D.I. It was based on the M.17 prototype, with single-bay unstaggered wings and a larger fuselage and short ...

, a WWI German fighter biplane * D.II, a aircraft * D.II, a 1916 German biplane fighter aircraft *

Hughes D-2 The Hughes D-2 was an American fighter and bomber project begun by Howard Hughes as a private venture. It never proceeded past the flight testing phase but was the predecessor of the Hughes XF-11. The sole D-2 was completed in 1942–1943. De ...

, a 1943 mysterious American fighter and bomber project

Roland D.II The LFG Roland D.II was a German single-seat fighter of World War I. The type was manufactured by Luftfahrzeug Gesellschaft, and also by Pfalz Flugzeugwerke under license. Design and development The D.II used a plywood monocoque fuselage. Tw ...

, a 1917 German single-seat fighter * D.II, a variant of the -Hungarian First World War biplane fighter D.I * - D.II, a 1915 variant of the German - D.I aircraft

Aircraft engines

Alfa Romeo D2 The Alfa Romeo D2 was a nine-cylinder radial engine for aircraft use produced in Italy. It was typically rated between 240 and 270 hp. The engine was designed by Vittorio Jano, 600 units were produced between 1931 and 1934. This engine was a ...

, a 1931 Italian nine-cylinder radial engine for aircraft use *

Mercedes D.II The Mercedes D.II was a six-cylinder, SOHC valvetrain liquid-cooled inline aircraft engine built by Daimler during the early stages of World War I. Producing about 110 to 120 hp, it was at the low-end of the power range of contemporary eng ...

, a WWI 6-cylinder, liquid-cooled inline aircraft engine

Locomotives

* Bavarian D II, an 1898 German goods train tank locomotive model * Bavarian D II (Ostbahn), an 1866 German goods train tender locomotive model * Bavarian D II (old), an 1873 small tank locomotive * GS&WR Class D2, a

Great Southern and Western Railway The Great Southern and Western Railway (GS&WR) was an Irish gauge () railway company in Ireland from 1844 until 1924. The GS&WR grew by building lines and making a series of takeovers, until in the late 19th and early 20th centuries it was the ...

Irish steam locomotive * LB&SCR D2 class, a British locomotive class * GNR Class D2, a class of British steam locomotives * PRR D2, an 1868 American steam locomotive model

Ships

* HMS ''Attacker'' (D02), a 1941 American-built escort aircraft carrier * HMS ''Devonshire'' (D02), a 1962 County-class destroyer * HMS ''Inglefield'' (D02), a 1936 I-class destroyer and flotilla leader of the British Royal Navy * , a 1909 American submarine

Other vehicles

Char D2 The Char D2 was a French medium tank of the interwar period. In 1930, at a time the Char D1 had not even entered production, the Renault company agreed to build a better armoured version called the Char D2. By not using old-fashioned rivets, it ...

, a French tank

Electronics

Cowon D2 The Cowon D2 is a portable media player designed and marketed by Cowon Systems, Inc. The D2, released on December 5, 2006, was Cowon's first portable media player using a touchscreen A touchscreen or touch screen is the assembly of both an ...

, a 2007 portable media player with touch screen interface *

Datasaab D2 200px, Datasaab D2 computer at IT-ceum 200px, Front panel D2 was a concept and prototype computer designed by Datasaab in Linköping, Sweden. It was built with discrete transistors and completed in 1960. Its purpose was to investigate the feasi ...

, a Swedish concept computer completed in 1960 * ''d2'', a brand of computer peripherals manufactured by the French firm électronique d2, now trading as

LaCie LaCie (; English: "The Company") is an American-French computer hardware company specializing in external hard drives, RAID arrays, optical drives, Flash Drives, and computer monitors. The company markets several lines of hard drives with a ca ...

* ''D2 kit'', a microprocessor development kit

MEK6800D2 The MEK6800D2 was a Microprocessor development board, development board for the Motorola 6800 microprocessor, produced by Motorola in 1976. It featured a keyboard with hexadecimal keys and an LED display, but also featured an RS-232 asynchronous se ...

D-2 (video) D-2 is a professional digital videocassette format created by Ampex and introduced in 1988 at the NAB Show as a composite video alternative to the component video D-1 format. It garnered Ampex a technical Emmy in 1989. Like D-1, D-2 stores un ...

, a professional digital video format * DOCSIS 2, a cable modem standard

Other uses

* D₂, the

Codex Claromontanus Codex Claromontanus, symbolized by Dp, D2 or 06 (in the Gregory-Aland numbering), δ 1026 ( von Soden), is a Greek-Latin diglot uncial manuscript of the New Testament, written in an uncial hand on vellum. The Greek and Latin texts are on facing p ...

, a 6th-century Greek-Latin uncial manuscript of the New Testament * D₂, a

dihedral group In mathematics, a dihedral group is the group of symmetries of a regular polygon, which includes rotations and reflections. Dihedral groups are among the simplest examples of finite groups, and they play an important role in group theory, ge ...

in group theory * ''D₂'',

deuterium Deuterium (or hydrogen-2, symbol or deuterium, also known as heavy hydrogen) is one of two Stable isotope ratio, stable isotopes of hydrogen (the other being Hydrogen atom, protium, or hydrogen-1). The atomic nucleus, nucleus of a deuterium ato ...

, an isotope of hydrogen * ''D2'', an almond-shaped cloud on

Neptune Neptune is the eighth planet from the Sun and the farthest known planet in the Solar System. It is the fourth-largest planet in the Solar System by diameter, the third-most-massive planet, and the densest giant planet. It is 17 times ...

* D2, the code for permission to use specific land or premises for leisure (cinemas, swimming baths, gymnasiums) in

town and country planning in the United Kingdom Town and country planning in the United Kingdom is the part of English land law which concerns land use planning. Its goal is to ensure sustainable economic development and a better environment. Each country of the United Kingdom has its own pla ...

* Division II (disambiguation), in sports leagues, etc. *

Marcelo D2 Marcelo Maldonado Peixoto (born November 5, 1967), also known as Marcelo D2, is a Brazilian rapper and singer. Biography A former vocalist of the band Planet Hemp, he started his solo career in 1998 with the album ''Eu Tiro É Onda.'' The al ...

(born 1967), Brazilian rapper * D2, an abbreviation for

DOCSIS Data Over Cable Service Interface Specification (DOCSIS) is an international telecommunications standard that permits the addition of high-bandwidth data transfer to an existing cable television (CATV) system. It is used by many cable televisio ...

2.0, an international telecommunications standard * D2 steel, a type of D-Grade

tool steel Tool steel is any of various carbon steels and alloy steels that are particularly well-suited to be made into tools and tooling, including cutting tools, dies, hand tools, knives, and others. Their suitability comes from their distinctive har ...

with good wear resistance commonly found in shears and high end knives * D2, gaming notation for a 2-sided die, such as a coin * D2, a standard

paper size Paper size standards govern the size of sheets of paper used as writing paper, stationery, cards, and for some printed documents. The ISO 216 standard, which includes the commonly used A4 size, is the international standard for paper size. ...

between B2 and A1 *

D2 Subway D2 Subway is a proposed expansion of the DART Light Rail DART Light Rail is the light rail system serving the metropolitan area of Dallas, Texas and is owned and operated by Dallas Area Rapid Transit (DART). The DART Light Rail system opene ...

, a planned Dallas, Texas light rail tunnel