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CN, cn and other variants may refer to:

Companies[edit | edit source]

Media and entertainment[edit | edit source]

Places[edit | edit source]

Mathematics, science, and technology[edit | edit source]

Biology[edit | edit source]

Chemistry[edit | edit source]

  • 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

Computing[edit | edit source]

Mathematics[edit | edit source]

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

  • 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 | edit source]

See also[edit | edit source]