D3, D03, D.III, D III or D-3 may refer to:

Transportation

Roads

London Buses route D3 London is the capital and largest city of England and the United Kingdom, with a population of just under 9 million. It stands on the River Thames in south-east England at the head of a estuary down to the North Sea, and has been a major se ...

, a Transport for London contracted bus route *

D3 motorway (Czech Republic) The D3 motorway ( cs, Dálnice D3) is a highway in the Czech Republic. Currently only the middle segment of the route is in operation; when complete, it will run from Prague via Tábor and České Budějovice to the Czech-Austrian border at Dolní ...

, a motorway in the Czech Republic *

D3 road (Croatia) D3 is a state road in western parts of Croatia connecting Rijeka on the Adriatic coast to Zagreb, Karlovac and Varaždin, as well as to Goričan border crossing to Hungary. Furthermore, the D3 road is used as a parallel road to a numb ...

, a state road in Croatia * D3 motorway (Slovakia), a motorway in northern Slovakia

Aircraft

Albatros D.III The Albatros D.III was a biplane fighter aircraft used by the Imperial German Army Air Service ('' Luftstreitkräfte'') during World War I. A modified licence model was built by Oeffag for the Austro-Hungarian Air Service ( ''Luftfahrtruppen''). ...

, a 1916 German biplane fighter aircraft * Dewoitine D.3, a

Dewoitine Constructions Aéronautiques Émile Dewoitine was a French aircraft manufacturer established by Émile Dewoitine at Toulouse in October 1920. The company's initial products were a range of metal parasol-wing fighters which were largely ignored by t ...

aircraft * Dunne D.3, a British Dunne aircraft *

Fokker D.III The Fokker D.III (Fokker designation M.19) was a German single-seat fighter aircraft of World War I. It saw limited frontline service before being withdrawn from combat in December 1916. Design and development The M.19 began as an effort to impr ...

, a 1916 German single-seat fighter aircraft * Mercedes D.III, a 1914 German 6-cylinder, liquid-cooled inline aircraft engine * Phönix D.III, a variant of the Austro-Hungarian First World War Phönix D.I biplane fighter * Pfalz D.III, a 1917 German fighter aircraft * Schütte-Lanz D.III, a 1918 German fighter aircraft prototype * Siemens-Schuckert D.III, a 1917 German prototype single-seat fighter aircraft

Automobiles

Ford D3 platform The Ford D3 platform is an automobile platform assembled by Ford Motor Company. In production between the 2005-2019 model years, the D3 platform is the fifteenth generation of full-size cars produced by Ford in North America. Marking the adopt ...

, a full-size car automobile platform * Peugeot D3, a panel van manufactured from 1950 to 1955

Locomotives

* Bavarian D III, an 1897 steam locomotive model * LB&SCR D3 class, an 1893 British 0-4-4 tank locomotive design * GS&WR Class D3, a Great Southern and Western Railway Irish steam locomotive * Pennsylvania Railroad class D3, an 1869 American steam locomotive model

Ships

* HMS ''Icarus'' (D03), a 1936 British Royal Navy destroyer * HMS ''Ranee'' (D03), a 1943 British Royal Navy escort aircraft carrier * USS ''D-3'' (SS-19), a 1910 US Navy submarine

Science and technology

Dihedral group of order 6 In mathematics, D3 (sometimes alternatively denoted by D6) is the dihedral group of degree 3, or, in other words, the dihedral group of order 6. It is isomorphic to the symmetric group S3 of degree 3. It is also the smallest possible non-abeli ...

(''D''_''3'') *

D-brane In string theory, D-branes, short for ''Dirichlet membrane'', are a class of extended objects upon which open strings can end with Dirichlet boundary conditions, after which they are named. D-branes were discovered by Jin Dai, Leigh, and Polch ...

, a class of p-branes in theoretical physics *

D-3 (video) D-3 is an uncompressed composite digital video videocassette format invented at NHK and introduced commercially by Panasonic. It was launched in 1991 to compete with Ampex's D-2. D-3 uses half-inch metal particle tape at 83.88 mm/s (c ...

, an uncompressed composite digital video tape format *

Nikon D3 The Nikon D3 is a 12.0-megapixel professional-grade full frame (35 mm) digital single lens reflex camera (DSLR) announced by the Nikon Corporation on 23 August 2007 along with the Nikon D300 DX format camera. It was Nikon's first full-frame ...

, a professional-level digital SLR camera

Biology and medicine

ATC code D03 D03A Cicatrizants D03AA Cod-liver oil ointments D03AX Other cicatrizants :D03AX01 Cadexomer iodine :D03AX02 Dextranomer :D03AX03 Dexpanthenol :D03AX04 Calcium pantothenate :D03AX05 Hyaluronic acid :D03AX06 Becaplermin :D03AX09 Crilanomer ...

''Preparations for treatment of wounds and ulcers'', a subgroup of the Anatomical Therapeutic Chemical Classification System * Dopamine receptor D₃, a human gene * Vitamin D₃ (cholecalciferol), a type of Vitamin D *

Melanoma in situ Melanoma, also redundantly known as malignant melanoma, is a type of skin cancer that develops from the pigment-producing cells known as melanocytes. Melanomas typically occur in the skin, but may rarely occur in the mouth, intestines, or eye ( ...

(ICD-10 code: D03) *

Iodothyronine deiodinase Iodothyronine deiodinases ( and ) are a subfamily of deiodinase enzymes important in the activation and deactivation of thyroid hormones. Thyroxine (T4), the precursor of 3,5,3'-triiodothyronine (T3) is transformed into T3 by deiodinase activity ...

type III

Computing

d3.js D3.js (also known as D3, short for Data-Driven Documents) is a JavaScript library for producing dynamic, interactive data visualizations in web browsers. It makes use of Scalable Vector Graphics (SVG), HTML5, and Cascading Style Sheets (CSS) sta ...

, Data Driven Documents, a JavaScript library for live web graphics based on changing data * D3, a

Pick database The Pick Operating System (Pick System or Pick) is a demand-paged, multi-user, virtual memory, time-sharing computer operating system based around a MultiValue database. Pick is used primarily for business data processing. It is named after one ...

sold by Rocket Software *

DOCSIS 3 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 ...

, a cable modem standard

Entertainment

* D3 Digivice, a device from the fictional anime/manga ''Digimon'' series * D3 (Tenchi Muyo! Ryo-Ohki), a character in the anime ''Tenchi Muyo!'' * '' D3: The Mighty Ducks'', the third film in ''The Mighty Ducks'' trilogy * ''

Dedication 3 ''Dedication 3'' is a mixtape by Lil Wayne, hosted by DJ Drama. It is the sequel to its predecessors, '' The Dedication'' and the highly successful '' Dedication 2'', becoming the third in Lil Wayne's "Gangsta Grillz" series. Lil Wayne also told M ...

'', a Lil' Wayne and Young Money mixtape * ''

Dhoom 3 ''Dhoom 3'' () is a 2013 Indian Hindi-language action thriller film written and directed by Vijay Krishna Acharya and produced by Aditya Chopra, who co-wrote the story. It stars Aamir Khan, Abhishek Bachchan, Katrina Kaif, Uday Chopra, Jack ...

'', a 2013 Bollywood action movie

Video games

* ''

Descent 3 ''Descent 3'' (stylized as ''Descent³'') is a first-person shooter video game developed by Outrage Entertainment and published by Interplay Entertainment. It was originally released for Microsoft Windows in North America on June 17, 1999. ''D ...

'', a 1999 computer game * ''

Diablo III ''Diablo III'' is a hack-and-slash action role-playing game developed and published by Blizzard Entertainment as the third installment in the ''Diablo'' franchise. It was released for Microsoft Windows and OS X in May 2012, PlayStation 3 and Xb ...

'', a 2012 action role-playing game PC game by Blizzard Entertainment * ''

Dirt 3 ''Dirt 3'' (stylised as ''DiRT 3'') is a simcade racing video game developed and published by Codemasters for Microsoft Windows, PlayStation 3 and Xbox 360. It was the first game in the series without the ''Colin McRae'' moniker. A sequel, DiRT 4 ...

'', a 2011 rallying video game * '' Disciples III: Renaissance'', a 2009 video game * ''

Disgaea 3 is the third video game in the ''Disgaea'' series by Nippon Ichi. It was released for the PlayStation 3 video game console. Jack Niida, Localization Director for NIS America, said, "''Disgaea 3'' will have a downloadable content feature through ...

'', a 2008/2011 game in the Disgaea series * ''

Doom 3 ''Doom 3'' is a 2004 survival horror first-person shooter video game developed by id Software and published by Activision. ''Doom 3'' was originally released for Microsoft Windows on August 3, 2004, adapted for Linux later that year, and ported ...

'', a 2004 sci-fi horror first-person shooter computer game * ''

Driver 3 ''Driver 3'' (stylized as ''DRIV3R'') is a 2004 action-adventure game, the third installment in the ''Driver'' series. It was developed by Reflections Interactive, published by Atari, and released on PlayStation 2, Xbox and mobile phones in ...

'', a 2004 racing, shooting, and adventure video game

Organizations

D3 Publisher is a Japanese video game developer and publisher founded on February 5, 1992. The company is known for the ''Simple'' series of budget-priced video games. Their games have been released for the Game Boy Advance, Nintendo DS, Nintendo 3DS, Ni ...

, a Japanese video game publisher *

Daallo Airlines Daallo Airlines is a Somali-owned airline based at Dubai Airport Free Zone in Al Garhoud, Dubai, United Arab Emirates. With its main hub at the Djibouti–Ambouli International Airport, the airline operates scheduled services in the Horn of Af ...

, (IATA airline code), an airline based in Dubai

Other uses

Dublin 3 Dublin postal districts have been used by Ireland's postal service, known as ''An Post'', to sort mail in Dublin. The system is similar to that used in cities in Europe and North America until they adopted national postal code systems in the 19 ...

, a Dublin, Ireland postal district *

NCAA Division III NCAA Division III (D-III) is a division of the National Collegiate Athletic Association (NCAA) in the United States. D-III consists of athletic programs at colleges and universities that choose not to offer athletic scholarships to their st ...

, in American collegiate athletics *

USL League One USL League One (USL1) is a professional men's soccer league in the United States that had its inaugural season in 2019. The Division III league is operated by United Soccer League, the same group that operates the Division II USL Championshi ...

, in American professional soccer, sometimes referred to as USL D3 * d3, a three-sided die in tabletop gaming * d3, Mieses Opening in chess *

Voiced palato-alveolar affricate The voiced palato-alveolar sibilant affricate, voiced post-alveolar affricate or voiced domed postalveolar sibilant affricate, is a type of consonantal sound, used in some spoken languages. The sound is transcribed in the International Phonetic ...

(former IPA symbol dʒ), a type of consonantal sound *Triple D, a term given to

King Dedede is a fictional character in Nintendo's ''Kirby'' video game series created by Masahiro Sakurai and developed by HAL Laboratory. Dedede first appeared in the 1992 video game '' Kirby's Dream Land'' as the main antagonist, but gradually bec ...

given by the Nightmare Enterprise Salesman in the anime " Kirby: Right Back at Ya!"