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 diffe ...
: 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)
4D (4th Dimension, or Silver Surfer, as it was known during early development) is a relational database management system and IDE developed by Laurent Ribardière. 4D was created in 1984 and had a slightly delayed public release for Macintos ...
, 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, 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 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 ...
, a high technology film experience augmented with physical or environmental effects
*
4DTV, 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 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: '' Discoveries'' ( ...
from ''
Alien'' (2019)
* 4D, the production code for the 1975 ''Doctor Who'' serial ''
Revenge of the Cybermen''
Other
* Class 4-D, a classification of the
Selective Service System
The Selective Service System (SSS) is an independent agency of the United States government that maintains information on U.S. citizens and other U.S. residents potentially subject to military conscription (i.e., the draft) and carries out con ...
*
4-D (psychedelic), 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, 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-h ...
, the fourth digit (abbreviated 4D) of the hand
*
Potez 4D, a four-cylinder aircraft engine
See also
*
D4 (disambiguation)
*
Fourth dimension (disambiguation)
Fourth dimension may refer to:
Science
* Time in physics, the continued progress of existence and events
* Four-dimensional space, the concept of a fourth spatial dimension
* Spacetime, the unification of time and space as a four-dimensional con ...
*
Four Dimensions (disambiguation) Four Dimensions may refer to:
* ''Four Dimensions'' (Don Patterson album), 1968
* ''Four Dimensions'' (Lollipop F album), 2010
See also
*''Four Dimensions of Greta''
* Fourth dimension (disambiguation)
*4D (disambiguation) 4D or 4-D may refer to:
...
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