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On Wikipedia, NC refers to Wikipedia:Naming conventions

NC may refer to:



Computing and internet[edit]


  • Northern Air Cargo, an American cargo airline IATA designator
  • National Jet Systems, an Australian charter airline IATA designator
  • Curtiss NC, an American flying boat nicknamed the "Nancy boat"
  • NC-4, the first aircraft to cross the atlantic (with multiple stops)
  • NC, the beginning of registries for American civil aircraft
  • NC, an international maritime distress signal


  • NC (complexity) Nick's Class, the set of decision problems decidable in polylogarithmic time on a parallel computer with a polynomial number of processors

Science and technology[edit]

  • Nanocapsule
  • Nanocoulomb, 1:1,000,000,000 of the SI unit of electric charge
  • Nasal cannula, a device used to deliver supplemental oxygen
  • National coarse, a Unified Thread Standard for screw, nut, and bolts
  • Neural crest, a transient component of the ectoderm
  • Neutral current, a class of physics interaction where the mediating boson is neutral, especially for neutrino experiments.
  • Nanocarbon, a short name for material based on carbon nanotubes
  • Noise Curve, a graphic representation of sound pressure levels relative to human hearing perception
  • Normally closed, an electrical switch where the default position is closed
  • Not Connected or No Connection, usual notation for an unconnected pin in electronic equipment
  • Nuclear chemistry, the subfield of chemistry dealing with radioactivity, nuclear processes and nuclear properties
  • Effective number of codons, a measure to study the state of codon usage biases in genes
  • Numerical control, a method of automatic operation of machine tools


  • N.C., an independent record label run out of Montréal, Canada.

Other uses[edit]