cc

UK:**UK and possibly other pronunciationsUK and possibly other pronunciations'cc', 'CC': /ˌsiːˈsiː/


WordReference Random House Learner's Dictionary of American English © 2026
cc,  an abbreviation of:
  1. carbon copy.
  2. copies.
  3. Weights and Measurescubic centimeter.

cc. or c.c., an abbreviation of:
  1. carbon copy.
  2. copies.
  3. Weights and Measurescubic centimeter.

Collins Concise English Dictionary © HarperCollins Publishers::
cc, c.c. abbreviation for
  1. carbon copy or copies
  2. cubic centimetre(s)
 vb (cc's, cc'ing, cc'd, cc'ed)
  • (transitive) to send a copy of a document, email, etc to (someone)
    • WordReference Random House Learner's Dictionary of American English © 2026
    C, c /si/USA pronunciation   n. [countable], pl. Cs or C's, cs or c's. 
    1. Linguisticsthe third letter of the English alphabet, a consonant.

    C,  Symbol.
    1. Education[sometimes: c] (in some grading systems) a grade or mark indicating fair or average quality.
    2. Music and Dance
      • the tonic note of the C major scale.
      • a written or printed note representing this tone.
    3. [sometimes: c] the Roman numeral for 100.
    4. PhysicsCelsius:The temperature is 10°C (said as "10 degrees Celsius'').
    5. Physicscentigrade.
    6. Chemistrycarbon.
    7. Also, C-note. Slang. a hundred-dollar bill.

    c,  an abbreviation of: circa
    1. (used with a year):c1775.

    c, [Symbol.]
    1. Optics, Physicsthe velocity of light in a vacuum: approximately 186,000 miles per second or 299,793 kilometers per second.
    2. Physicsthe velocity of sound.

    C.,  an abbreviation of:
    1. ThermodynamicsCalorie.
    2. EducationCollege.
    3. Conservative.

    c.,  an abbreviation of:
    1. Thermodynamicscalorie.
    2. Jewelrycarat.
    3. Physicscentigrade.
    4. Weights and Measurescentimeter.
    5. chapter.
    6. circa (used with a year):c. 1775.
    7. copyright.
    8. Weights and Measurescubic.

    WordReference Random House Unabridged Dictionary of American English © 2026
    CC,  Symbol.
    1. Stock Exchange, Businessa quality rating for a corporate or municipal bond, lower than CCC and higher than C.

    Cc, 
    1. Meteorologycirrocumulus.

    cc, 
      1. See carbon copy (def. 1).
      2. copies.
      3. Weights and Measurescubic centimeter.

    cc., 
      1. See carbon copy (def. 1).
      2. chapters.
      3. copies.
      4. Weights and Measurescubic centimeter.
      Also, c.c. 
    C.C., 
      1. See carbon copy (def. 1).
      2. Businesscashier's check.
      3. Businesschief clerk.
      4. Governmentcircuit court.
      5. Governmentcity council.
      6. Governmentcity councilor.
      7. Governmentcivil court.
      8. Militarycompany commander.
      9. Governmentcounty clerk.
      10. Governmentcounty commissioner.
      11. Governmentcounty council.
      12. Governmentcounty court.
      Also, c.c. 
    WordReference Random House Unabridged Dictionary of American English © 2026
    C, c  (sē),USA pronunciation n., pl. C's or Cs, c's or cs. 
    1. the third letter of the English alphabet, a consonant.
    2. any spoken sound represented by the letter C or c, as in cat, race, or circle.
    3. something having the shape of aC.
    4. a written or printed representation of the letter C or c.
    5. a device, as a printer's type, for reproducing the letter C or c.

    C, 
      1. Drugscocaine.
      2. Education, Grammar[Gram.]complement.
      3. Music and Danceconsonant.
      4. Physicscoulomb.
      5. county (used with a number to designate a county road):C55.

    C,  Symbol.
    1. the third in order or in a series.
    2. (sometimes l.c.) (in some grading systems) a grade or mark, as in school or college, indicating the quality of a student's work as fair or average.
    3. [Music.]
      • Phoneticsthe first tone, or keynote, in the scale of C major or the third tone in the relative minor scale, A minor.
      • Music and Dancea string, key, or pipe tuned to this tone.
      • Phoneticsa written or printed note representing this tone.
      • (in the fixed system of solmization) the first tone of the scale of C major, called do.
      • the tonality having C as the tonic note.
      • a symbol indicating quadruple time and appearing after the clef sign on a musical staff.
    4. (sometimes l.c.) the Roman numeral for 100.
    5. Celsius.
    6. centigrade.
    7. [Elect.]
      • capacitance.
      • a battery size for 1.5 volt dry cells: diameter, 1 in. (2.5 cm);
        length, 1.9 in. (4.8 cm).
    8. Chemistrycarbon.
    9. [Physics.]
      • charge conjugation.
      • charm1 (def. 9).
    10. [Biochem.]
      • cysteine.
      • cytosine.
    11. Also, C-note. [Slang.]a hundred-dollar bill.
    12. Clothinga proportional shoe width size, narrower than D and wider than B.
    13. Clothinga proportional brassiere cup size, smaller than D and larger than B.
    14. Stock Exchange, Businessthe lowest quality rating for a corporate or municipal bond.
    15. Computinga high-level programming language: very powerful and flexible, it is used in a wide variety of applications.

    c, 
      1. Drugscalorie.
      2. [Optics.]candle;
        candles.
      3. (with a year) about:c1775.
        • Latin circā, circiter, circum
      4. [Physics, Chem.]curie;
        curies.
      5. cycle;
        cycles.

    c,  Symbol.
    1. [Optics, Physics.]the velocity of light in a vacuum: approximately 186,000 miles per second or 299,793 kilometers per second.
    2. Physics[Acoustics, Physics.]the velocity of sound.

    c̄, 
    1. (in prescriptions) with.
    • Latin cum

    C., 
      1. Calorie.
      2. Place NamesCape.
      3. ReligionCatholic.
      4. PhysicsCelsius.
      5. Celtic.
      6. PhysicsCentigrade.
      7. EducationCollege.
      8. Currency(in Costa Rica and El Salvador) colon;
        colons.
      9. GovernmentCongress.
      10. GovernmentConservative.

    C-, [U.S. Mil.]
    1. Military(in designations of transport aircraft) cargo:C-54; C-124.

    c., 
      1. calorie.
      2. Opticscandle;
        candles.
      3. Jewelrycarat.
      4. Chemistrycarbon.
      5. carton.
      6. case.
      7. [Baseball.]catcher.
      8. Electricitycathode.
      9. Currencycent;
        cents.
      10. Currencycentavo.
      11. [Football.]center.
      12. Physicscentigrade.
      13. Currencycentime.
      14. Weights and Measurescentimeter.
      15. century.
      16. chairman;
        chairperson.
      17. chapter.
      18. chief.
      19. child.
      20. church.
      21. (with a year) about:c. 1775.
        • Latin circā, circiter, circum
      22. Meteorologycirrus.
      23. city.
      24. cloudy.
      25. Linguisticscognate.
      26. color.
      27. Weights and Measuresgallon.
        • Latin circā, circiter, circum
      28. Chemistrycopper.
      29. copyright.
      30. corps.
      31. Weights and Measurescubic.
      32. (in prescriptions) with.
        • Latin circā, circiter, circum
      33. cycle;
        cycles.

    C++, n. 
    1. Computinga high-level programming language, a descendant of C, with the ability to manipulate object-oriented features.

    Collins Concise English Dictionary © HarperCollins Publishers::
    CC abbreviation for
    1. City Council
    2. (formerly in Britain) Competition Commission
    3. County Council
    4. Cricket Club
    Collins Concise English Dictionary © HarperCollins Publishers::
    cc. abbreviation for
    1. chapters
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    'cc' also found in these entries (note: many are not synonyms or translations):
    Agostini - cc. - Doohan - Hailwood - motorcycle - Sheene - CCC - Homo sapiens

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