4D or 4-D may refer to: * 4-dimensional

spacetime In physics, spacetime is a mathematical model that combines the three dimensions of space and one dimension of time into a single four-dimensional manifold. Spacetime diagrams can be used to visualize relativistic effects, such as why differen ...

: three-dimensional space of length, width, and height, plus time *

Four-dimensional space A four-dimensional space (4D) is a mathematical extension of the concept of three-dimensional or 3D space. Three-dimensional space is the simplest possible abstraction of the observation that one only needs three numbers, called ''dimensions'', ...

Computers and photography

* 4D (software), a complete programming environment including database and web server ** 4D SAS, developers of 4D and Wakanda ** 4D Inc, a US-based subsidiary of 4D SAS *

4D BIM 4D or 4-D may refer to: * 4-dimensional spacetime: three-dimensional space of length, width, and height, plus time * Four-dimensional space Computers and photography * 4D (software), a complete programming environment including database and web s ...

, a term used in computer aided design *

4D printing 4-dimensional printing (4D printing; also known as 4D bioprinting, active origami, or shape-morphing systems) uses the same techniques of 3D printing through computer-programmed deposition of material in successive layers to create a three-dimensio ...

Cinema 4D Cinema 4D is a 3D software suite developed by the German company Maxon. Overview As of R21, only one version of Cinema 4D is available. It replaces all previous variants, including BodyPaint 3D, and includes all features of the past 'Studio' ...

, a commercial cross platform 3D graphics application *

SGI IRIS 4D The SGI IRIS series of terminals and workstations from Silicon Graphics was produced in the 1980s and 1990s. IRIS is an acronym for Integrated Raster Imaging System. Overview 68000 The early systems up to IRIS 3000 use the Motorola 68000 series ...

, a line of workstations from Silicon Graphics * 4D, a photo print size for digital cameras

Arts and entertainment

* ''4D'' (album), a 2010 album by Matthew Shipp * "4-D" (''The X-Files''), an episode of ''The X-Files'' * 4D Audio Recording system, an audio recording system developed by Deutsche Grammophon *

4D film 4D film is a high technology multisensory presentation system combining motion pictures with physical effects that are synchronized and occur in the theatre. Effects simulated in 4D films include motion, vibration, scent, rain, mist, bubbles, fo ...

, a high technology film experience augmented with physical or environmental effects *

4DTV 4DTV is a proprietary broadcasting standard and technology for digital cable broadcasting and C-band/Ku-band satellite dishes from Motorola, using General Instrument's DigiCipher II for encryption. It can tune in both analog VideoCipher 2 and dig ...

, a satellite TV broadcasting technology from Motorola * 4DX, a 4D film format * "4D", a song by Grand Mixer DXT and Bill Laswell from ''

Aftermathematics ''Aftermathematics'' (styled ''AFTERMATHematics'') is a collaborative album by Grand Mixer DXT and Bill Laswell, released on December 5, 2003 by Sub Rosa. Track listing Personnel Adapted from the ''Aftermathematics'' liner notes. ;Musician ...

'' (2003) * "4D", a song by

Northlane Northlane are an Australian Heavy metal music, heavy metal band from Sydney, formed in 2009. The band comprises guitarists Jon Deiley and Josh Smith, drummer Nic Pettersen and vocalist Marcus Bridge. Northlane have released six studio albums: ...

from ''

Alien Alien primarily refers to: * Alien (law), a person in a country who is not a national of that country ** Enemy alien, the above in times of war * Extraterrestrial life, life which does not originate from Earth ** Specifically, intelligent extrater ...

'' (2019) * 4D, the production code for the 1975 ''Doctor Who'' serial ''

Revenge of the Cybermen ''Revenge of the Cybermen'' is the fifth and final serial of the 12th season of the British science fiction television series ''Doctor Who'', which was first broadcast in four weekly parts on BBC1 from 19 April to 10 May 1975. It was the first ...

Other

* Class 4-D, a classification of the

Selective Service System The Selective Service System (SSS) is an Independent agencies of the United States government, independent agency of the Federal government of the United States, United States government that maintains information on U.S. Citizenship of the Unite ...

4-D (psychedelic) 4-D (3,5-methoxy-4-trideuteromethoxyphenethylamine) is a lesser-known recreational psychedelic drug. It is one of the few drugs that bears deuterium. It is a deuterated analog of mescaline. It may be prepared either as a sulfate salt or a hydroc ...

, a psychedelic drug *

4D (train) The 4D was a prototype double deck electric multiple unit built for the Public Transport Corporation in Victoria, Australia, for operation on the Melbourne railway system. It remains the only double deck train to have ever operated in Melbou ...

in Melbourne, Australia *

4-Digits 4-Digits (abbreviation: 4-D) is a lottery in Germany, Singapore, and Malaysia. Individuals play by choosing any number from 0000 to 9999. Then, twenty-three winning numbers are drawn each time. If one of the numbers matches the one that the playe ...

, a lottery in Malaysia and Singapore *

Air Sinai Air Sinai ( ar, سيناء للطيران ') was an airline based in Cairo, Egypt. It operated as a 'paper airline' for parent company Egyptair under a wet lease-like agreement to serve flights exclusively between Egypt and Israel. History The ...

(IATA: 4D) *

Ring finger The ring finger, third finger, fourth finger, leech finger, or annulary is the fourth digit of the human hand, located between the middle finger and the little finger. Sometimes the term ring finger only refers to the fourth digit of a left-han ...

, the fourth digit (abbreviated 4D) of the hand *

Potez 4D The Potez 4D was a four-cylinder, inverted inline aircraft engine. It was first built shortly before World War II, but did not enter full production until 1949. Like the other D-series engines, the cylinders had a bore of 125 mm (4.9 in ...

, a four-cylinder aircraft engine

Computers and photography

Arts and entertainment

Other

See also