Main definitions of c in English

: c1C2C3

c1

Pronunciation /sē/ /si/

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abbreviation

  • 1Cent(s).

  • 2in combination (in units of measurement) centi-

    • ‘centistokes (cS)’
  • 3c.Century or centuries.

    • ‘a watch case, 19th c’
  • 4also c.(preceding a date or amount) circa; approximately.

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

    • ‘all cabins have h & c’
  • 6Colt.

Physics
  • The speed of light in a vacuum.

    • ‘E = mc²’

Main definitions of C in English

: c1C2C3

C2

(also c)

Pronunciation /sē/ /si/

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nounCs, C's

  • 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 grades.
      • ‘he scraped along with C's and D's in most subjects’
    4. 1.4Chess Denoting the third file from the left of a chessboard, as viewed from White's side of the board.
    5. 1.5The third fixed constant to appear in an algebraic expression, or a known constant.
    6. 1.6Denoting the lowest soil horizon, comprising parent materials.
  • 2A shape like that of a letter C.

    • ‘C-springs’
  • 3

    (also C)
    Music
    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

    (also C)
    A high-level computer programming language originally developed for implementing the UNIX operating system.

Main definitions of C in English

: c1C2C3

C3

Pronunciation /sē/ /si/

See synonyms for C on Thesaurus.com

Translate C into Spanish

abbreviation

  • 1

    (also C.)
    Cape (chiefly on maps)

    • ‘C. Hatteras’
  • 2Celsius or centigrade.

    • ‘it was 29°C at noon’
  • 3

    (also ©)
    Copyright.

    • ‘© Oxford University Press’
  • 4Physics
    Coulomb(s).

  • 1Physics
    Capacitance.

  • 2The chemical element carbon.

Phrases

    the Big C
    informal
    • Cancer.

      • ‘I decided I was going to beat this monster, the Big C’
      • ‘I'm very conscious that the Big C runs in my family, so have been interested in hearing from people who didn't take conventional cancer treatments, but instead, changed their lifestyle and nutrition.’
      • ‘I suppose the warning signs were out when Steve was diagnosed with the Big C, but he's beat a number of other physical close calls with the Grim Reaper.’
      • ‘Is it any wonder that what has been labelled at The Big C - some cannot even say the name - has become the topic of conversation to be generally avoided?’
      • ‘I should learn to shut up when someone brings up the Big C subject, instead of trying to change the world.’
      • ‘So, with apologies to all, the need is to find an appropriately gruesome substitute for the Big C, one that gives offence to none.’
      • ‘But as you read his first person account of his battle with the Big C, you begin to understand.’
      • ‘It was not called by name, but was whispered as ‘the Big C,’ something that could attack any grown-up's body without warning.’
      • ‘However, my best friend has the big C, yes, cancer.’

Pronunciation

C

/sē/ /si/