N2 or N-2 may refer to: * Dinitrogen (N₂)

Arts and media

* A model number of the Yamaha

AvantGrand AvantGrand is a brand of digital piano introduced by Yamaha in 2009. The product line consists of a baby grand piano (the N3, replaced by the N3X in 2016), two "vertical" grand pianos (the N2 and the N1 replaced by the N1X in 2019), and an upright p ...

piano * "N2", a 2011 song by Japanese indie rock band Asian Kung-Fu Generation, on the album ''

Landmark A landmark is a recognizable natural or artificial feature used for navigation, a feature that stands out from its near environment and is often visible from long distances. In modern use, the term can also be applied to smaller structures or f ...

'' * Network 2 (now

RTÉ Two (RTÉ) (; Irish for "Radio & Television of Ireland") is the national broadcaster of Ireland headquartered in Dublin. It both produces and broadcasts programmes on television, radio and online. The radio service began on 1 January 1926, while ...

), 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 Non-small-cell lung cancer (NSCLC) is any type of epithelial lung cancer other than small-cell lung carcinoma (SCLC). NSCLC accounts for about 85% of all lung cancers. As a class, NSCLCs are relatively insensitive to chemotherapy, compared to sm ...

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 ''Caenorhabditis elegans'' () is a free-living transparent nematode about 1 mm in length that lives in temperate soil environments. It is the type species of its genus. The name is a blend of the Greek ''caeno-'' (recent), ''rhabditis'' (ro ...

'' var. ''Bristol'' model worm

Transportation technology

* N₂, gauges that monitor the power turbine section in a

jet engine A jet engine is a type of reaction engine discharging a fast-moving jet of heated gas (usually air) that generates thrust by jet propulsion. While this broad definition can include rocket, Pump-jet, water jet, and hybrid propulsion, the term ...

* N-2, an Armenian multiple rocket launcher system * N-2 rocket, a 1981 derivative of the American Delta rocket, produced in Japan * A type of large goods vehicle *

GNR Class N2 The Great Northern Railway (GNR) Class N2 is an 0-6-2T side tank steam locomotive designed by Nigel Gresley and introduced in 1920. Further batches were built by the London and North Eastern Railway from 1925. They had superheaters and pi ...

, 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 The ''N'' 2 chart, also referred to as ''N'' 2 diagram, ''N''-squared diagram or ''N''-squared chart, is a diagram in the shape of a matrix, representing functional or physical interfaces between system elements. It is used to systematica ...

, 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 This is a list of roads designated N2. Roads entries are sorted in alphabetical order by country. * N2 (Bangladesh), connects Dhaka and Tamabil via Sylhet * N2 road (Belgium), connects Brussels and Maastricht * National Road 2 (Democratic Republ ...

N2 (Long Island bus) The following bus routes are operated in Nassau County, New York. Most of these routes are operated under Nassau Inter-County Express (NICE), formerly MTA Long Island Bus, except in Greater Long Beach, where that city operates its own bus servic ...

London Buses route N2 The London Night Bus network is a series of night bus routes that serve Greater London. Services broadly operate between the hours of 23:00 and 06:00. Many services commence from or operate via Trafalgar Square and are extensions or variations ...

* 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 The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage ...

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 N, or n, is the fourteenth letter in the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. Its name in English is ''en'' (pronounced ), plural ''ens''. History ...

* The fourth level in the Japanese Language Proficiency Test