NC

NC may refer to:

People

• 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

Places

• New Caledonia, special collectivity of France
• North Carolina, a U.S. state
• Northern Cyprus, a self-declared state on the island of Cyprus

Science, technology, and mathematics

Biology and medicine

• Nasal cannula, a device used to deliver supplemental oxygen
• Neural crest, a transient component of the ectoderm
• Effective number of codons, a measure to study the state of codon usage biases in genes

Computing and internet

• 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

• 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

• 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

Transport

• 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

• NC-17, an MPAA film rating system code indicating that children under 17 are not admitted
• National Certificate, an educational award in various countries including Ireland and Scotland
• National Coalition for Syrian Revolutionary and Opposition Forces or National Coalition, a Syrian revolutionary organisation
• Nehru Centre, Mumbai, India
• New Centre, a political party in France
• New Continent School (Colegio Nuevo Continente), a private school in Mexico
• No comment, in internet slang
• No contest (combat sports)
• Non Cognizable Offense, in law