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 recentl ...

, a Dublin, Ireland postcode *

Mount Dulang-dulang Mount Dulang-dulang, dubbed by Filipino people, 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 second highest mountain of the Philippines * D2, a line of

Moscow Central Diameters Moscow Central Diameters (MCD) () is a system of off-street Commuter rail, passenger rail transport lines in the Moscow metropolitan area, Moscow agglomeration, created at the turn of the Moscow Railway, Moscow railway. In the media and Advertisin ...

* D2 Place One and Two, at Cheung Yue Street and Cheung Shun Street, in

Cheung Sha Wan Cheung Sha Wan () is an area between Lai Chi Kok and Sham Shui Po in New Kowloon, Hong Kong. It is mainly residential to the north and south, with an industrial area in between. Administratively it is part of Sham Shui Po District, which al ...

MTR The Mass Transit Railway system, known locally by the initialism MTR, is a rapid transit system in Hong Kong and the territory's principal mode of Rail transport in Hong Kong, railway transportation. Operated by the MTR Corporation (MTRCL), ...

Lai Chi Kok Station Lai Chi Kok () is an MTR station on the . It is located under Cheung Sha Wan Road. It was opened on 17 May 1982. The station's lineage is Vermilion. Although the station is called Lai Chi Kok, it is located in Cheung Sha Wan. Passengers ...

Exit D1 and D2.

Highways

D2 motorway (Czech Republic) D2 motorway () 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. The entire route is part of European ro ...

D2 road (Croatia) D2 state road () 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, Osijek, Vukovar, ending ...

, a state route in Croatia *

D2 motorway (Slovakia) D2 is a motorway () 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 and of the ...

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, including every film in the " Skywalker Saga", which inclu ...

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

Diablo II ''Diablo II'' is a 2000 action role-playing game developed by Blizzard North and published by Blizzard Entertainment for Microsoft Windows, Classic Mac OS, and OS X. The game, with its dark fantasy and horror themes, was conceptualized and des ...

'' or ''

Destiny 2 ''Destiny 2'' is a free-to-play online 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, utilizing the games as a se ...

'' * D2, a sub-group of the Japanese male acting troupe D-Boys * ''

Dhoom 2 ''Dhoom 2'' (transl. ''Blast 2''), also known as ''Dhoom 2: Back in Action'', is a 2006 Indian Hindi-language caper action thriller film directed by Sanjay Gadhvi and produced by Aditya Chopra under Yash Raj Films. Written by Vijay Krishna A ...

'', a 2006 Indian Hindi-language action film by Sanjay Gadhvi, second part of the ''Dhoom'' film series

Business

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

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

, 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

Biology or medicine

* ATC code D02 ''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 *

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 protei ...

(CCND2) * Vitamin D₂, or

ergocalciferol Ergocalciferol, also known as vitamin D2 and nonspecifically calciferol, is a type of vitamin D found in food. It is used as a dietary supplement to prevent and treat vitamin D deficiency due to poor absorption by the intestines or liver dis ...

* D02, the

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

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

* Albatros D.II, a 1916 German fighter aircraft * Aviatik (Berg) D.II, a 1917 -Hungarian fighter prototype * STS-55 or D2, the second German-sponsored Spacelab mission * Daimler D.II, a Daimler aircraft * Delta D2, an Australian diesel-powered helicopter design * 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 biplane fighter designed by the Fokker Aircraft Company () during the First World War for the Imperial German Army's () Imperial German Air Service () and the Imperial and Royal Aviation Troops () of the Austro-Hu ...

, a WWI German fighter biplane * Halberstadt D.II, a 1916 German biplane fighter aircraft * Hughes D-2, a 1943 mysterious American fighter and bomber project * LFG Roland D.II, a 1917 German single-seat fighter *

Phönix D.II Phönix (German for the mythological Phoenix (mythology), phoenix) may refer to: __NOTOC__ Aviation * Phönix Flugzeug-Werke, an Austro-Hungarian aircraft manufacturer * LFG Phönix, a German flying boat glider built in the early 1920s * Phönix 20. ...

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

Aircraft engines

* Alfa Romeo D2, 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 en ...

, 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 grew by building lines and making a series of takeovers, until in the late 19th and early 20th centuries it was the larges ...

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 * Zhidou D2, a Chinese small electric car

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 a type of electronic ...

, 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 feasib ...

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

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 ...

, 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 Biblical manuscript#Gregory-Aland, Gregory-Aland numbering), δ 1026 (Biblical manuscript#Von Soden, von Soden), is a Greek-Latin diglot uncial manuscript of the New Testament, written in an ...

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

dihedral group In mathematics, a dihedral group is the group (mathematics), group of symmetry, symmetries of a regular polygon, which includes rotational symmetry, rotations and reflection symmetry, reflections. Dihedral groups are among the simplest example ...

in group theory * ''D₂'',

deuterium Deuterium (hydrogen-2, symbol H or D, also known as heavy hydrogen) is one of two stable isotopes of hydrogen; the other is protium, or hydrogen-1, H. The deuterium nucleus (deuteron) contains one proton and one neutron, whereas the far more c ...

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

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

* 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 UK 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 planni ...

* D2, the Double Dragon hacking group * 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, singer and songwriter, co-founder of Planet Hemp. Biography A former vocalist of the band Planet Hemp, he started his solo career in 1998 ...

(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 ...

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 refers to Technical standard, standardized dimensions for sheets of paper used globally in stationery, printing, and technical drawing. Most countries adhere to the ISO 216 standard, which includes the widely recognized A series ( ...

between B2 and A1 * D2 Subway, a planned Dallas, Texas light rail tunnel