N2 or N-2 may refer to:

  • Dinitrogen (N₂)

Arts and media

  • A model number of the Yamaha AvantGrand piano
  • "N2", a 2011 song by Japanese indie rock band Asian Kung-Fu Generation, on the album Landmark
  • Network 2 (now RTÉ Two), an Irish television station, which used the branding "N2" between 1997 and 2004
  • NicoNico, a video sharing website

Science and technology

Biology and medicine

  • N200 (neuroscience), an event-related potential (ERP) component in the 200-300 ms poststimulus range
  • A non-small cell lung carcinoma staging code for Metastasis to ipsilateral mediastinal or subcarinal lymph nodes
  • A para formaldehyde-based filling material for root canals, also called Sargenti paste
  • A strain of the Caenorhabditis elegans var. Bristol model worm

Transportation technology

  • N<sub>2</sub>, gauges that monitor the power turbine section in a jet engine

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  • N-2, an Armenian multiple rocket launcher system
  • N-2 rocket, a 1981 Japanese derivative of the American Delta rocket
  • A type of large goods vehicle
  • GNR Class N2, a 1920 British 0-6-2T steam locomotive class
  • USS N-2, a 1917 N-class coastal defense submarine of the United States Navy
  • Huanghai N2, a Chinese pickup truck

Other uses in science and technology

  • N2 diagram, in systems engineering, a function-to-function data interchange
  • DSC-N2, a 2006 Sony Cyber-shot series digital camera

Transit

  • Several roads; see List of N2 roads
  • N2 (Long Island bus)
  • London Buses route N2
  • South East Airlines (IATA airline designator)
  • Kabo Air (IATA airline designator)
  • Carretera Nacional N-II, former name for the Route Nacional from Madrid to Barcelona and France
  • Bambra (ship), formerly named the N2

Other uses

  • A United States Navy term for a senior military intelligence officer
  • N2 Gateway, a housing project along the N2 freeway in Cape Town, South Africa
  • N2, a postcode district in the N postcode area
  • The fourth level in the Japanese Language Proficiency Test

See also

  • NO2 (disambiguation)
  • NII (disambiguation)
  • 2N (disambiguation)