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NC may refer to:


  • Naga Chaitanya, an Indian Telugu film actor; sometimes nicknamed by the initials of his first and middle name, NC
  • Nathan Connolly, lead guitarist for Snow Patrol
  • Nostalgia Critic, the alter ego of Internet comedian Doug Walker from That Guy with the Glasses


Science, technology, and mathematics[edit]

Biology and medicine[edit]

Computing and internet[edit]

  • NC (complexity), the set of decision problems decidable in polylogarithmic time on a parallel computer with a polynomial number of processors
  • Naming Context, in Microsoft Active Directory
  • NCsoft, a producer of MMORPGs such as Lineage
  • Netcat, a computer network utility
  • Network computer, a diskless desktop computer in the late 1990s
  • Norton Commander, an orthodox file manager program
  • PernMUSH, an online game based on Anne McCaffrey's Pern novels

Physics and materials[edit]

  • Nanocarbon, a short name for material based on carbon nanotubes
  • Nanocoulomb, 1:1,000,000,000 of the SI unit of electric charge
  • Neutral current, a class of physics interaction where the mediating boson is neutral, especially for neutrino experiments
  • Nuclear chemistry, the subfield of chemistry dealing with radioactivity, nuclear processes and nuclear properties


Other uses in science and technology[edit]

  • National coarse, a Unified Thread Standard for screw, nut, and bolts
  • Noise criteria, a single-value measurement of background noise derived from a graphic representation of the sound pressure audio spectrum (noise curves)
  • Normally closed, an electrical switch where the default position is closed
  • "Not Connected" or "No Connection", for an unconnected pin in electronic equipment
  • Numerical control, a method of automatic operation of machine tools
  • NC MX-5 Miata, the third generation of the Mazda MX-5


  • Northern Air Cargo, an American cargo airline (IATA designator NC)
  • National Jet Systems, an Australian charter airline (IATA designator NC)
  • 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

Other uses[edit]