Definition of


  1. (noun, artifact) street names for cocaine
  2. (noun, communication) the 3rd letter of the Roman alphabet
  3. (noun, communication) (music) the keynote of the scale of C major
  4. (noun, communication) a general-purpose programing language closely associated with the UNIX operating system
  5. (noun, quantity) a unit of electrical charge equal to the amount of charge transferred by a current of 1 ampere in 1 second
  6. (noun, quantity) a degree on the centigrade scale of temperature
  7. (noun, quantity) ten 10s
  8. (noun, substance) an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds
  9. (noun, substance) a base found in DNA and RNA and derived from pyrimidine; pairs with guanine
  10. (noun, substance) one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose)
  11. (noun, substance) a vitamin found in fresh fruits (especially citrus fruits) and vegetables; prevents scurvy
  12. (noun, time) the speed at which light travels in a vacuum; the constancy and universality of the speed of light is recognized by defining it to be exactly 299,792,458 meters per second
  13. (adj, all) being ten more than ninety

via WordNet, Princeton University

Origin of the word C

  1. third letter of the alphabet. Alphabetic writing came to Rome via the southern Etruscan "Caeretan" script, in which gamma was written as a crescent. Early Romans made little use of Gk. kappa and used gamma for both the "g" and "k" sounds, the latter more frequently, so that the "k" sound came to be seen as the proper one for gamma. To restore a dedic… more

via Online Etymology Dictionary, ©2001 Douglas Harper

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