4D or 4-D primarily refers to: * 4-dimensional

spacetime In physics, spacetime, also called the space-time continuum, is a mathematical model that fuses the three dimensions of space and the one dimension of time into a single four-dimensional continuum. Spacetime diagrams are useful in visualiz ...

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

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

It may also refer to:

Computers and photography

* 4D (software), a complete programming environment including database and web server **

4D SAS 4D SAS is a French company owned by Laurent Ribardière. 4D has a US-based subsidiary 4D Inc. 4D was founded in 1984 when development began for Silver Surfer (early codename for 4D) and had its initial product release in 1987 with its own progr ...

, developers of 4D and Wakanda **

4D Inc 4D Inc is a US-based subsidiary of 4D SAS and publisher of 4D. It was established in 1984 and initially led by Guy Kawasaki. 4D is the developer and publisher of 4D (or 4th Dimension). 4D was founded in 1984 when development began for Silver Su ...

, a US-based subsidiary of 4D SAS * 4D BIM, a term used in computer aided design * 4D printing *

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

, 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 Silicon Graphics Computer Systems' first product, shipped in N ...

, 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 presentation system combining motion pictures with synchronized physical effects that occur in the theater. Effects simulated in 4D films include motion, vibration, Sense of smell, scent, rain, mist, bubbles, fog, smoke, wind, temperat ...

, 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 II and ...

, 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. ;Musici ...

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

Northlane Northlane are an Australian metalcore band from Blacktown, 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: '' Discoveries'' ( ...

from '' Alien'' (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 United States government that maintains a database of registered male U.S. Citizenship of the United States, citizens and o ...

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 hydroch ...

, a psychedelic drug *

4D (train) The 4D was a prototype bilevel rail car, double deck electric multiple unit built for the Public Transport Corporation in Victoria, Australia, for operation on the Railways in Melbourne, Melbourne railway system. It remains the only double deck ...

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 play ...

, a lottery in Malaysia and Singapore *

Air Sinai Air Sinai ( ') 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 Egypt–Israel peace treaty ...

(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-ha ...

, 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 Events January * January 1 – A United Nations-sponsored ceasefire brin ...

, a four-cylinder aircraft engine

Computers and photography

Arts and entertainment

Other

See also