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CN, cn and other variants may refer to:


Media and entertainment[edit]


  • China, a sovereign state located in East Asia, ISO 3166 country code CN
  • CN Centre, an arena in Prince George, British Columbia
  • CN Tower, communications and observation tower in Toronto, Ontario

Mathematics, science, and technology[edit]



  • CN gas, a substituted acetophenone used as a riot control agent
  • Copernicium, a chemical element with symbol Cn and atomic number 112
  • Cyanide, any chemical compound that contains a carbon atom triple-bonded to a nitrogen atom, -CN
  • Cyanogen, a colorless, toxic gas with a pungent odor, (CN)2



Other uses in mathematics, science, and technology[edit]

  • Carrier-to-noise ratio C/N, the signal-to-noise ratio of a modulated signal
  • Curve number, a parameter used in hydrology for predicting direct runoff or infiltration from rainfall
  • cN, abbreviation for centinewton, a force equal to one hundredth of a newton

Other uses[edit]

See also[edit]