Main definitions of c in English

: c1C2C3

c1

  • 1Cricket
    (on scorecards) caught by.

    ‘ME Waugh c Lara b Walsh 19’
  • 2Cent(s)

    ‘they cost 25c each’
  • 3[in combination] (in units of measurement) centi-

    ‘centistokes (cS)’
  • 4Century or centuries.

    ‘a watch case, 19th c’
  • 5(preceding a date or amount) circa; approximately.

    ‘Isabella was born c.1759’
  • 6(of water) cold.

    ‘all bedrooms have h & c’
  • 7Colt.

Physics
  • The speed of light in a vacuum.

    ‘E = mc²’

Main definitions of c in English

: c1C2C3

C2

(also c)

noun

  • 1The third letter of the alphabet.

    1. 1.1Denoting the third in a set of items, categories, sizes, etc.
    2. 1.2Denoting the third of three or more hypothetical people or things.
    3. 1.3The third-highest class of academic mark.
      ‘he scraped along with C's and D's in most subjects’
    4. 1.4Denoting an intermediate socio-economic category for marketing purposes, including the majority of white-collar (C1) and skilled blue-collar personnel (C2).
    5. 1.5Chess
      Denoting the third file from the left of a chessboard, as viewed from White's side of the board.
    6. 1.6The third fixed constant to appear in an algebraic expression, or a known constant.
    7. 1.7Denoting the lowest soil horizon, comprising parent materials.
  • 2A shape like that of a letter C.

    [in combination] ‘C-springs’
  • 3Music
    The first note of the diatonic scale of C major, the major scale having no sharps or flats.

    1. 3.1A key based on a scale with C as its keynote.
  • 4The Roman numeral for 100.

  • 5[mass noun] A computer programming language originally developed for implementing the Unix operating system.

Pronunciation:

C

/siː/

Main definitions of c in English

: c1C2C3

C3

  • 1Cape.

    ‘C. Hatteras’
  • 2Celsius or centigrade.

    ‘29°C’
  • 3(in names of sports clubs) City.

    ‘Lincoln C’
  • 4British Command Paper (second series, 1870–99).

  • 5(in Britain) Conservative.

    ‘Sir Nicholas Fairbairn (C, Perth & Kinross)’
  • 6Copyright.

    ‘© Oxford University Press’
  • 7Physics
    Coulomb(s).

  • 8Cuba (international vehicle registration).

  • 1Physics
    Capacitance.

  • 2The chemical element carbon.

Pronunciation:

C

/siː/