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 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
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
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 , a 1906 British C-class submarine , a 1928 Spanish Navy C-class submarine Type C3 submarine, two classes of Imperial Japanese Navy submarines , 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 (), or Cube×Cursed×Curious, a 2011 Japanese light novel series and anrrime 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 , 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-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
See also
C2 (disambiguation) C4 (disambiguation) CCC (disambiguation) 3C (disambiguation) C30 (disambiguation) C3:0, the lipid numbering of propionic acid Stella Women's Academy, High School Division Class C3, abbreviated C3-Bu, a 2010s manga series written by Ikoma and illustrated by Tomomoka Midori, centered around Yura Yamato and the C3 Club Collaborative Climate Community Data and Processing Grid (C3-Grid), a project that participated in the D-Grid Initiative C3-Benzenes c3 Aquarii, the Bayer designation of binary star system 89 Aqr C3 Centauri, a suspected astrometric binary star system C3 Sicilian, the Alapin Variation of the Sicilian Defence, an opening in chess C3-R, a name for the medical procedure of corneal cross-linking C-3PO or See-Threepio, a humanoid robot Star Wars character Alternative-complement-pathway C3/C5 convertase :ru:СЗ