N2

N2 or N-2 may refer to:

• Nitrogen gas (chemical annotation 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
• N2 (cat) (2000-2014), American cat celebrity
• Network 2 (now RTÉ Two), an Irish television station, which used the branding "N2" between 1997-2004
• 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

• N₂, the power turbine section RPM in a jet engine
• N-2, an Armenian multiple rocket launcher system
• N-2 rocket, a 1981 derivative of the American Delta rocket, produced under licence in Japan
• Revolutions per minute, a term of the high-pressure compressor in a turbofan engine, expressed as a percentage of the maximum
• A type of Large Goods Vehicle
• GNR Class N2, a 1920 British 0-6-2T steam locomotive
• USS N-2 (SS-54), a 1917 N-class coastal defense submarine of the United States Navy

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

For transportation technology, see § Transportation technology.

• 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

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)