C (disambiguation)
C is the third letter in the Latin alphabet.
C or c may also refer to: Template:TOC right
Computing
- C (programming language), developed at Bell Labs in 1972
- C, a hexadecimal digit
- C, a computable function, the set of all computable decision problems
C:, or "Drive C", the default drive letter assignment for the default hard drive in DOS and Windows
Measurement
- °C, Celsius temperature scale
- Carat (purity)
- centi-, an SI prefix
- Coulomb, the SI derived unit for electric charge
- Cup (unit), a unit of volume
Science
- Troponin C, one of the three troponins
- Carbon, symbol C, a chemical element
- Atomic carbon or C
- ATC code C or cardiovascular system, a section of the Anatomical Therapeutic Chemical Classification System
- Haplogroup C (mtDNA), a human mitochondrial DNA (mtDNA) haplogroup
- Haplogroup C-M130 (Y-DNA), a Y-chromosomal DNA (Y-DNA) haplogroup once called simply C
- Cytosine, nucleic acid
- C (or Cys), an abbreviation for the amino acid cysteine
- C, a prefix for astronomical objects listed in the Caldwell catalogue, ranging from C1 to C109
- C, a prefix for astronomical star clusters, which follow the IAU's "Chhmm±ddd" format
- c, the speed of light in vacuum
- c, the speed of sound
- c, the specific heat capacity of a substance
- c, any constant
- C, capacitance
- C, symbol of coulomb
- Charm quark (Template:SubatomicParticle)
- C-value, DNA contained within a haploid nucleus
Technology
- C battery, a size of battery
- Capacitor or C
- C battery, a type of battery for vacuum tube radios
- C or C-rate, a rate of charge and discharge of a battery
Mathematics
- C, a digit meaning twelve in hexadecimal and other positional numeral systems with a radix of 13 or greater
- C, the constant of integration
- C, in Roman numerals, the symbol for 100
- C, , or , the set of all complex numbers
- ℭ or , the cardinality of the continuum
- C, the set of continuous functions
- The combination or "choose" function
- c space, the space of all convergent sequences in functional analysis
Music
- C (musical note), and keys based on it:
- C Album, an album by Kinki Kids
- C major chord, a chord in popular music
- Template:Music, symbol used to designate common time
- Template:Music, symbol used to designate alla breve
- "C", a composition by Francis Poulenc, one of Deux Poèmes de Louis Aragon
Literature
- C (novel), a novel by Tom McCarthy
- C, a 1924 novel by Maurice Baring
- C Magazine, a magazine published by Cardinal Courier Media
- "C" Is for Corpse, the third novel in Sue Grafton's "Alphabet mystery" series, published in 1986
- C-lehti ('C-magazine'), a defunct Finnish computer magazine
Transportation
- Mercedes-Benz C-class
- NZR C class (1873) train
- NZR C class (1930) train
- C, or 0-6-0 classification, a type of locomotive with three powered axles
- C, the unofficial designation used by the U.S. Navy classification for Protected Cruisers and Peace Cruisers before the 1920 reclassification.
- C (Los Angeles Railway)
- C (S-train) a service on the S-train network in Copenhagen
- C (New York City Subway service)
- C Line (Los Angeles Metro)
- Line C of the Buenos Aires Subte
- Tokyo Metro Chiyoda Line, a subway service operated by the Tokyo Metro, labeled
- Chūō Line, a subway service operated by the Osaka Metro, labeled
- RER C, a line in the RER of Paris
- The official West Japan Railway Company service symbol for:
Sport
- Captain (ice hockey)
- Catcher, a position in baseball
- Center (basketball)
- Center (gridiron football)
Other uses
- Prefix "c", to specify a column number as in-source-locator in old citations
- С, a letter of the Cyrillic alphabet
- C (anime), by Tatsunoko Production, Fuji TV
- C (grade), a satisfactory grade in education
- C (plastic toy), a plastic toy from former Czechoslovakia
- Citigroup, Inc.'s stock ticker symbol
- Gaius or C
- Center Party (Sweden), a Swedish political party
- Mansfield Smith-Cumming or C (1859–1923), Chief of the SIS, the UK Secret Intelligence Service, also known as MI6
- His successors as Chief of the SIS have since been generally known by his alias, C
- C, also known as Max Denbigh, a character played by Andrew Scott in the film Spectre
- c (IPA) in the International Phonetic Alphabet (IPA), the voiceless palatal stop
- Dominical letter C for a common year starting on Friday
- C, the production code for the 1964 Doctor Who serial The Edge of Destruction
- Charlie, the military time zone code for UTC+03:00
- c, alternative name for Grimes
- Farmall C, a tractor produced by International Harvester from 1948 to 1951
- C (restaurant), a restaurant in Tampere, Finland
See also
- Template:Intitle
- C. (disambiguation)
- (C) (disambiguation), a parenthetical C
- C band (disambiguation)
- C-clamp, a type of fastener
- C class (disambiguation)
- Class C (disambiguation)
- c group (disambiguation)
- Group C (disambiguation)
- Line C (disambiguation) including "C line"; used in several public transport systems
- C series (disambiguation) including "Series C"
- Circle-c (disambiguation)
- C++, an object oriented programming language based on C
- C# (programming language), developed at Microsoft in 2001
- Cee (disambiguation)
- Cent (currency)
- Center (disambiguation)#Sports
- Cervical vertebrae
- Control-C, a keyboard control code
- Copyright symbol
- Objective-C, an object oriented programming language based on C, while available on various platforms, used mainly on OS X and iOS
- Sea (disambiguation)
- See (disambiguation)
- Vitamin C