C4, C04, C.IV, C-4, or C-04 may refer to:
Places
* Caldwell 4 or NGC 7023 or
Iris Nebula
The Iris Nebula (also known as NGC 7023 and Caldwell 4) is a bright reflection nebula in the constellation Cepheus. The designation NGC 7023 refers to the open cluster within the larger reflection nebula designated LBN 487.
The nebula, which shi ...
, a reflection nebula in the constellation Cepheus
*
Circumferential Road 4
Circumferential Road 4 (C-4), informally known as the C-4 Road, is a network of roads and bridges that all together form the fourth beltway of Metro Manila in the Philippines. Spanning some , it connects the cities of Caloocan, Makati, Malabon, Man ...
or C-4, an arterial road of Manila, Philippines
*
Ken-Ō Expressway
The , or , is a partially completed ticket system toll expressway in Japan. It is owned and operated by the Central Nippon Expressway Company and East Nippon Expressway Company. In conjunction with the Tokyo Bay Aqua-Line and the Bayshore Route ...
(includes some sections of
Shin-Shōnan Bypass), route C4 in Japan
*
Omotesandō Station, a Tokyo Metro subway station (station numbers C-04, G-02, H-02)
People
*
C4 (rapper), a rap music producer from Birmingham, England
*
Clarence Mitchell IV, American radio host and former politician
* Chris Turner, sometimes credited as Chris Heiner, a.k.a. "C4", Australian musician, part of
Modern Day Poets (MDP) alongside Tim Turner (a.k.a. "DubLT") and
Joel Turner
Computing
*
C4 (conference), a Macintosh software developers conference
*
C4 Engine, a next-generation 3D game engine
*
C4 model (software), a graphical notation technique for diagramming software architecture
*
Cx4 chip, an add-on microprocessor chip employed by certain Super NES game cartridges (often incorrectly referred to as the ''C4 chip'')
* Controlled collapse chip connection or
flip chip
Flip chip, also known as controlled collapse chip connection or its abbreviation, C4, is a method for interconnecting dies such as semiconductor devices, IC chips, integrated passive devices and microelectromechanical systems (MEMS), to exter ...
, a method for interconnecting semiconductor devices
*
VIA C4, a planned design of central processing unit for a personal computer
Arts, entertainment, and media
Music
*
C4 (American band)
Michael Angelo Batio (), also known as Michael Angelo, Mike Batio or MAB, is an American heavy metal guitarist and columnist from Chicago, Illinois. He was the lead guitarist for the Los Angeles-based glam metal band Nitro in the late 1980s a ...
, a neo-classical metal band set up by Michael Angelo Batio
*
C4 (French band), French boyband
*
''C4'' (mixtape), mixtape by American rapper Kendrick Lamar
* C
4,
scientific pitch notation
Scientific pitch notation (SPN), also known as American standard pitch notation (ASPN) and international pitch notation (IPN), is a method of specifying musical pitch by combining a musical note name (with accidental if needed) and a number ide ...
for the note "
Middle C" (261.626 Hz)
*
C4 Records, a record label
* ''
Tha Carter IV
''Tha Carter IV'' is the ninth studio album by American rapper Lil Wayne, released on August 29, 2011, through Young Money Entertainment, Cash Money Records and Universal Republic Records. Recording sessions for the album began in late 2008, sh ...
'', album by American rapper
Lil Wayne
Dwayne Michael Carter Jr. (born September 27, 1982), known professionally as Lil Wayne, is an American rapper, singer, songwriter, and record executive. His career began in 1995, at the age of 12, when he was signed by rapper Birdman, joining ...
Other uses in arts, entertainment and media
*
C4 (New Zealand TV channel), a former New Zealand television music channel
* 1. c4, also called the
English Opening
The English Opening is a chess opening that begins with the move:
:1. c4
A flank opening, it is the fourth most popular and, according to various databases, one of the four most successful of White's twenty possible first moves. White begins t ...
, a chess opening
*
Channel 4
Channel 4 is a British free-to-air public broadcast television network operated by the state-owned Channel Four Television Corporation. It began its transmission on 2 November 1982 and was established to provide a fourth television service ...
, a UK television channel broadcasting since 1982
Mathematics, science, and technology
;Biology
* C4: an EEG electrode site according to the
10-20 system
*
Apolipoprotein C4
Apolipoprotein C-IV, also known as apolipoprotein C4, is a protein that in humans is encoded by the ''APOC4'' gene
In biology, the word gene (from , ; "...Wilhelm Johannsen coined the word gene to describe the Mendelian units of heredity. ...
, a protein encoded by the ''APOC4'' gene
*
ATC code C04
C04A Peripheral vasodilators C04AA 2-amino-1-phenylethanol derivatives
:C04AA01 Isoxsuprine
:C04AA02 Buphenine
:C04AA31 Bamethan
C04AB Imidazoline derivatives
:C04AB01 Phentolamine
:C04AB02 Tolazoline
C04AC Nicotinic acid and derivatives
: ...
''Peripheral vasodilators'', a subgroup of the Anatomical Therapeutic Chemical Classification System
*
C4 carbon fixation, a pathway for carbon fixation in photosynthesis that produces C4 plants
*
Cervical spinal nerve 4, a nerve originating in the neck
*
Cervical vertebra 4
In tetrapods, cervical vertebrae (singular: vertebra) are the vertebrae of the neck, immediately below the skull. Truncal vertebrae (divided into thoracic and lumbar vertebrae in mammals) lie caudal (toward the tail) of cervical vertebrae. In ...
, one of the cervical vertebrae of the vertebral column
* C04,
oral cancer
Oral cancer, also known as mouth cancer, is cancer of the lining of the lips, mouth, or upper throat. In the mouth, it most commonly starts as a painless white patch, that thickens, develops red patches, an ulcer, and continues to grow. When on ...
ICD-10 code
*
Complement component 4
Complement component 4 (C4), in humans, is a protein involved in the intricate complement system, originating from the human leukocyte antigen (HLA) system. It serves a number of critical functions in immunity, tolerance, and autoimmunity with ...
, a protein involved in the intricate
complement system
*C
4 fragments, one of the types of products of
catabolism pathways
;Math
*
, the
cyclic group
In group theory, a branch of abstract algebra in pure mathematics, a cyclic group or monogenous group is a group, denoted C''n'', that is generated by a single element. That is, it is a set of invertible elements with a single associative bina ...
of order 4
* C4, the fourth pure "core" module in the
Edexcel A-level mathematics examination
;Other uses in science and technology
* C4, butyl-type hydrocarbon chain, a type of
four-carbon molecule
Four-carbon molecules are based on a skeleton made from four carbon atoms. They may be in a chain, branched chains, cycles or even bicyclic compounds
Hydrocarbons that include four atoms are:
*butane C4H10
*isobutane C4H10
*but-1-ene C4H8
* but-2 ...
, especially in C4 reversed-phase chromatography columns
*
Cluster 4 or Tango, an ESA satellite that studies the Earth's magnetosphere over the course of an entire solar cycle
Organizations
*
C4 (Colombia)
This article lists political parties in Colombia.
Colombia had historically maintained a two-party system, which means that there were two dominant political parties, resulting in considerable difficulty for anybody to achieve major electoral s ...
, a political party in Colombia
* C4, a social welfare non-profit entity organized under section
501(c)(4)
A 501(c) organization is a nonprofit organization in the federal law of the United States according to Internal Revenue Code (26 U.S.C. § 501(c)) and is one of over 29 types of nonprofit organizations exempt from some federal income taxes. ...
of the U.S. Internal Revenue Code
*
Churches Covered and Connected in Covenant
Church may refer to:
Religion
* Church (building), a building for Christian religious activities
* Church (congregation), a local congregation of a Christian denomination
* Church service, a formalized period of Christian communal worship
* Chris ...
, a religious association founded by
Archbishop LeRoy Bailey Jr.
*
Craiova Group
The Craiova Group (Quadrilateral), Craiova Four, or C4 is a cooperation project of four European statesRomania, Bulgaria, Greece and Serbiafor the purposes of furthering their European integration as well as economic, transport and energy coopera ...
a cooperation project of four European states –
Romania
Romania ( ; ro, România ) is a country located at the crossroads of Central, Eastern, and Southeastern Europe. It borders Bulgaria to the south, Ukraine to the north, Hungary to the west, Serbia to the southwest, Moldova to the east, and ...
,
Bulgaria
Bulgaria (; bg, България, Bǎlgariya), officially the Republic of Bulgaria,, ) is a country in Southeast Europe. It is situated on the eastern flank of the Balkans, and is bordered by Romania to the north, Serbia and North Macedo ...
,
Greece
Greece,, or , romanized: ', officially the Hellenic Republic, is a country in Southeast Europe. It is situated on the southern tip of the Balkans, and is located at the crossroads of Europe, Asia, and Africa. Greece shares land borders ...
and
Serbia
Serbia (, ; Serbian: , , ), officially the Republic of Serbia (Serbian: , , ), is a landlocked country in Southeastern and Central Europe, situated at the crossroads of the Pannonian Basin and the Balkans. It shares land borders with Hungar ...
– for the purposes of furthering their European integration as well as economic, transport and energy cooperation with one another.
Sports
*
C4 (classification), a Paralympic cycling classification
* C-4, professional wrestler
Paul Burchill
Paul Birchall (born 8 October 1979), better known by his ring name Paul Burchill, is an English retired professional wrestler best known for his time with WWE. Prior to joining WWE, Burchill wrestled for the Frontier Wrestling Alliance and oth ...
's name for his finishing move, a moonsault uranage
* C4, an abbreviation for a four-man Sprint Canoe, see
Canoe racing
* C4, a term used to refer to the
UEFA Intertoto Cup, a football competition (mainly used in non-English speaking countries)
* C4 level, a
challenge square dance
{{inline, date=February 2017
Challenge square dance, also known as Challenge dancing, is modern western square dance focused on the puzzle-solving aspects of square dancing at the most difficult or "challenging" levels.
In modern square dancing, t ...
program at the Challenge 4 level
Stationery
* C4, an international standard
paper size
Paper size standards govern the size of sheets of paper used as writing paper, stationery, cards, and for some printed documents.
The ISO 216 standard, which includes the commonly used A4 size, is the international standard for paper size. I ...
(229 × 324 mm), defined in ISO 216
* C4, the
envelope size
An envelope is a common packaging item, usually made of thin, flat material. It is designed to contain a flat object, such as a letter or card.
Traditional envelopes are made from sheets of paper cut to one of three shapes: a rhombus, a sh ...
matching the A4 paper size
Vehicles
Aircraft
* C-4, the US Army designation of the
Ford Trimotor
*
AEG C.IV, a German World War I reconnaissance aircraft
*
AGO C.IV
The AGO C.IV was a First World War German biplane reconnaissance aircraft.
Development
A departure from the manufacturer's pod-and-boom designs, it featured a more conventional biplane layout whose only unusual feature was the tapered wings. L ...
, a 1917 German reconnaissance aircraft
*
C-4 Academe, the military version of Gulfstream I twin turboprop business aircraft
*
C-4 Argonaut
The Canadair North Star is a 1940s Canadian development, for Trans-Canada Air Lines (TCA), of the Douglas DC-4. Instead of radial piston engines used by the Douglas design, Canadair used Rolls-Royce Merlin V12 engines to achieve a higher cruisin ...
, a Canadair aircraft derived from the Douglas DC-4
*
Cierva C.4 __NOTOC__
The Cierva C.4 was an experimental autogiro built by Juan de la Cierva in Spain in 1922 which early the following year became the first autogyro to fly successfully. Failures of De la Cierva's attempts to compensate for dissymmetry of l ...
, a 1922 Spanish experimental autogyro
*
DFW C.IV
The DFW C.IV, DFW C.V, DFW C.VI, and DFW F37 were a family of German reconnaissance aircraft first used in 1916 in World War I. They were conventionally configured biplanes with unequal-span unstaggered wings and seating for the pilot and observer ...
, a 1916 German reconnaissance aircraft
*
Flight Design C4, a four-seat light aircraft
*
Fokker C.IV, a 1923 Dutch two-seat reconnaissance aircraft
*
Rumpler C.IV
The Rumpler C.IV was a German single-engine, two-seat reconnaissance biplane. It was a development of C.III with different tail surfaces and using a Mercedes D.IVa engine in place of the C.III's Benz Bz.IV. The Rumpler 6B 2 was a single-sea ...
, a 1917 German single-engine, two-seater reconnaissance biplane
Automobiles
* C4, a class of
Audi 100
The Audi 100 and Audi 200 (and sometimes called Audi 5000 in North America) are primarily mid-size/executive cars manufactured and marketed by the Audi division of the Volkswagen Group. The car was made from 1968 to 1997 across four generations (C ...
and Audi A6 cars
*
Chevrolet Corvette C4
The Chevrolet Corvette (C4) is a sports car produced by American automobile manufacturer Chevrolet from 1983 until 1996. The convertible returned, as did higher performance engines, exemplified by the GM LT engine#LT5, LT5 found in the ZR-1. In ...
, the fourth production design of the Chevrolet Corvette
*
Citroën C4, a car made by Citroën
*
Coloni C4, a Formula One car built by Enzo Coloni Racing Car Systems
*
Sauber C4
The Sauber C4 was the fourth sports prototype racing car that Swiss Peter Sauber designed and developed. It was built in 1975. It competed in the European 2-Litre Sportscar Championship, where it managed to score 1 win and 5 podium finishes. It w ...
, a
Sauber
Sauber Motorsport AG is a Swiss motorsport engineering company. It was founded in 1970 (as PP Sauber AG) by Peter Sauber, who progressed through hillclimbing and the World Sportscar Championship to reach Formula One in . After operating it un ...
sportscar
*
Spyker C4, a
Spyker
Spyker or Spijker was a Dutch carriage, automobile and aircraft manufacturer, started in 1880 by blacksmiths Jacobus and Hendrik-Jan Spijker. Originally located in Hilversum, the company relocated to Trompenburg, Amsterdam in 1898.
Notable produ ...
car
Locomotives
*
Bavarian C IV, an 1884 German steam locomotive
* GS&WR Class C4, a
Great Southern and Western Railway Irish steam locomotive
Ships
*
HMS ''C4'', a British C class submarine of the Royal Navy
*
Type C4 ship
The Type C4-class ship were the largest cargo ships built by the United States Maritime Commission (MARCOM) during World War II. The design was originally developed for the American-Hawaiian Lines in 1941, but in late 1941 the plans were taken o ...
, merchant cargo ships of United States Maritime Commission "C" design
*
USS ''C-4'' (SS-15), a United States C class submarine of the United States Navy
*
USS ''Philadelphia'' (C-4), a protected cruiser of the United States Navy
Vehicle components
*
Ford C4 transmission
The Ford C4 is a three-speed, medium-duty automatic transmission introduced on 1964 model year vehicles and produced through 1981. The C4 was designed to be a lighter and simpler replacement for the original Ford-O-Matic two speed transmission bei ...
, an automatic transmission
*
Menasco C4
The Menasco Pirate series were four-cylinder, air-cooled, in-line, inverted aero-engines, built by the Menasco Motors Company of Burbank, California, for use in light general and sport aircraft during the 1930s and 1940s. The Menasco engines c ...
, a 1930s 4-cylinder, air-cooled, in-line, inverted, aero-engine
Weapons
*
C-4 (explosive), a type of plastic explosive
*
Hafdasa C-4
Hispano-Argentina was an Argentina, Argentine automotive and engineering company that manufactured car, automobiles, military vehicles, engines, weaponry, and parts for public works.[Command and control
Command and control (abbr. C2) is a "set of organizational and technical attributes and processes ... hatemploys human, physical, and information resources to solve problems and accomplish missions" to achieve the goals of an organization or en ...]
, meaning "Command, Control, Communications and Computers"
* C4, the monogram of
Christian IV of Denmark
Christian IV (12 April 1577 – 28 February 1648) was King of Denmark and Norway and Duke of Holstein and Schleswig from 1588 until his death in 1648. His reign of 59 years, 330 days is the longest of Danish monarchs and Scandinavian mon ...
, used in the city arms of Kristianstad, Sweden since 1622
* C4 Extreme, a sports nutrition supplement product line by
Cellucor
See also
*
*
*
*
*
4C (disambiguation)
*
CCCC (disambiguation)
*
CIV (disambiguation)
{{Letter-Number Combination Disambiguation