C3

C3, C-3, C03, C.III or similar may refer to:

Science, technology, and transportation

Inorganic chemistry

C₃, the chemical symbol for:
- Tricarbon
- Cyclopropatriene

Life and biology

Biochemistry

C₃ carbon fixation in plants
C3-convertase, an enzyme
Complement component 3, a protein of the innate immune system
Apolipoprotein C3, a human very low density lipoprotein
ATC code C03 Diuretics, a subgroup of the Anatomical Therapeutic Chemical Classification System
Castavinol C3, a natural phenolic compound found in red wines
Cytochrome-c3 hydrogenase, an enzyme

Other uses in life and biology

Haplogroup C-M217, called C3 in older publications
In human anatomy, C3 may refer to:
- Cervical vertebra 3, one of the cervical vertebrae of the vertebral column
- Cervical spinal nerve 3
Clinical Cell Culture, a medical technology company
C03, Malignant neoplasm of gum ICD-10 code
C3 Collaborating for Health, a health-promotion NGO
C3, an EEG electrode site according to the 10-20 system
Chromosome 3

Computing and electronics

C3.ai, an AI company founded by Thomas Siebel
Chaos Communication Congress, the biggest annual hacker event in Europe
Chrysler Comprehensive Compensation System, important in the development of Extreme Programming
C3, a programming language based on the C language
Hexadecimal number C3 (decimal 195)
VIA C3, a computer processor
Argus C3, a 35mm rangefinder camera
Nokia C3 (disambiguation), various Nokia cellphones

Outer space

Caldwell 3 (NGC 4236), a barred spiral galaxy in Draco
C₃, characteristic energy, in astrodynamics, a measure of the rocket energy for an interplanetary mission that requires attaining an orbital velocity above escape velocity
Delfi-C3, a Dutch CubeSat satellite
Saturn C-3, a 1960 rocket in the Saturn C series
Cluster 3, also known as Samba, an ESA satellite

Military technology

Warplanes

Ford Trimotor, US miltary designation C-3
Several German World War I and World War II armed reconnaissance aircraft:
- AEG C.III
- AGO C.III, a reconnaissance biplane of World War I
- Albatros C.III
- DFW C.III, a DFW aircraft
NAG C.III, an engine powering the Gotha G.IV aircraft
C-3, a U.S. military transport version of the Martin 4-0-4

Submarines

HMS C3, a 1906 British C-class submarine
Spanish submarine C-3, a 1928 Spanish Navy C-class submarine
Type C3 submarine, two classes of Imperial Japanese Navy submarines
USS C-3 (SS-14), a 1909 US Navy C-class submarine

Other military technology

Command, control, and communications
C-3 (plastic explosive), related to C4
C3 Howitzer, a lengthened variant of the M101, used by the Canadian Armed Forces
Type C3-class ship, a type of merchant cargo ships of US Maritime Commission "C" design
USS Baltimore (C-3), an 1888 protected cruiser of the US Navy

Civilian vehicles

Cars

Chevrolet Corvette (C3), the third production design of the Chevrolet Corvette, produced 1967–1982
Citroën C3, French supermini, produced since 2002
Cowin C3, subcompact sedan, manufactured by Chinese automaker Kaiyi Auto, 2014–2020
Nimrod NRA/C3, a 1983 Group C racing car never achieved

Trains

Bavarian C III, a German steam locomotive model, built 1868–1879
Bavarian C III (Ostbahn), an 1867 German steam locomotive model
LB&SCR C3 class, a British LB&SCR locomotive, built 1906
C3 (railcar), a bi-level railcar built 1997–1999 by Kawasaki Railcar for the non-electrified branches of the Long Island Rail Road

Other civilian vehicles

Aeronca C-3, an American airplane
Cierva C.3, a 1921 Spanish experimental autogyro
Yamaha C3, a 2007 liquid cooled 49cc four-stroke motor scooter

Arts and media

Broadcasting

C-3 (TV channel) or Community 3, a children's channel launched 1977 on the QUBE cable system that later became Nickelodeon
C3, a class in FM radio broadcasting in North America
C3 (Live + 3), Nielsen ratings that include recorded programs watched three days later

Music

Hammond C3 organ
High C in music (c3 in European notation)
Low C in music (C3 in American notation)
Tha Carter III, 2008 album by rapper Lil Wayne
C3 (Base Ball Bear album), 2020, Japanese rock
C3 Presents, an American producer and promoter of international music events, founded 2007

Video games

C3 Racing: Car Constructors Championship or Max Power Racing, 1998, developed by Eutechnyx and published by Infogrames Multimedia for the PlayStation
Creatures 3, 1999, artificial life game developed by Creature Labs and published by Mindscape and Linux Game Publishing for desktop operating systems
Crysis 3, 2013, first-person shooter developed by Crytek and published by Electronic Arts for various platforms

Other uses in arts and media

C³ (novel series), C Cube (Japanese: シーキューブ), or Cube×Cursed×Curious, a 2011 Japanese light novel series and anime by Hazuki Minase
C3 Entertainment, formerly Comedy III Productions, an American entertainment and licensing company, founded 1959
C3 (production company), founded by Richard H. Frank c. 1995, in affiliation with Comcast

Sport

C3 (classification), a para-cycling classification
C3, the UEFA Europa League in football
Tippmann C-3, a pump-action paintball marker that uses propane gas

Other businesses and organizations

C3, a New Zealand logistics company owned by Linx Cargo Care Group
C-III Capital Partners, an asset management and commercial real estate services company
Garda Crime and Security Branch (CSB), domestic security agency of Ireland's national police, previously known as "C3"
C3 Church Global, a worldwide Pentecostal denomination
Championing Community Children, a Philippine charitable organization abbreviated as C3

Law

C3, the code for permission to use specific land or premises for dwellings in town and country planning in the United Kingdom
C3 policing ("Counter Criminal Continuum") or the Avghani model, a methodology being employed by police to combat gangs in Massachusetts, created by Michael M. Cutone c. 2009
C-3 visa, a type of American non-immigrant visa for governmental officials and associated people

People

Charles Keating III (born 1955), American former swimmer and real estate executive
Charles III (born 1948), King of the United Kingdom and 14 other Commonwealth realms since 2022

Transport routes

Circumferential Road 3 or C-3, an arterial road of Manila, Philippines
London Buses route C3, a Transport for London contracted bus route
Two different ring expressways in Japan that are numbered C3:
- Tokyo Gaikan Expressway in Tokyo, Saitama and Chiba Prefectures
- Tōkai-Kanjō Expressway in Aichi, Gifu and Mie Prefectures

Other uses

C3, a standard paper size defined in ISO 216

C3

Science, technology, and transportation

Inorganic chemistry

Life and biology

Biochemistry

Other uses in life and biology

Computing and electronics

Outer space

Military technology

Warplanes

Submarines

Other military technology

Civilian vehicles

Cars

Trains

Other civilian vehicles

Arts and media

Broadcasting

Music

Video games

Other uses in arts and media

Sport

Other businesses and organizations

Law

People

Transport routes

Other uses

See also