N2 or N-2 may refer to: *

Dinitrogen Nitrogen is a chemical element; it has symbol N and atomic number 7. Nitrogen is a nonmetal and the lightest member of group 15 of the periodic table, often called the pnictogens. It is a common element in the universe, estimated at seventh ...

(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 uprigh ...

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-day use, the term can also be applied to smaller structures ...

'' * Network 2 (now

RTÉ Two (; ; RTÉThe É in RTÉ is pronounced as an English E () and not an Irish É ()) is an Republic of Ireland, Irish Public broadcasting, public service broadcaster. It both produces and broadcasts programmes on RTÉ Television, television, RT� ...

), an Irish television station, which used the branding "N2" between 1997-2004 *

NicoNico , known before 2012 as , is a Japanese video sharing service based in Tokyo, Japan. "Niconico" or "nikoniko" is the Japanese sound symbolism, Japanese ideophone for smiling. As of 2021, Niconico is the 34th most-visited website in Japan, accordi ...

, a video sharing website

Science and technology

Biology and medicine

N200 (neuroscience) The N200, or N2, is an event-related potential (ERP) component. An ERP can be monitored using a non-invasive electroencephalography (EEG) cap that is fitted over the scalp on human subjects. An EEG cap allows researchers and clinicians to monitor t ...

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

code for ''Metastasis to ipsilateral mediastinal or subcarinal lymph nodes'' * A para formaldehyde-based filling material for

root canal A root canal is the naturally occurring anatomic space within the root of a tooth. It consists of the pulp chamber (within the coronal part of the tooth), the main canal(s), and more intricate anatomical branches that may connect the root c ...

s, 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 Hybrid word, blend of the Greek ''caeno-'' (recent), ''r ...

'' 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 (fluid), jet of heated gas (usually air) that generates thrust by jet propulsion. While this broad definition may include Rocket engine, rocket, Pump-jet, water jet, and ...

* 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 A large goods vehicle (LGV), or heavy goods vehicle (HGV), in the European Union (EU) is any lorry with a Gross combined weight rating, gross combination mass (GCM) of over . Sub-category N2 is used for vehicles between 3,500 kg and and N ...

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 pisto ...

, a 1920 British 0-6-2T steam locomotive class *

USS N-2 (SS-54) USS ''N-2'' (SS-54) was a N-class coastal defense submarine built for the United States Navy during World War I. Description The N-class boats designed by Electric Boat (''N-1'' through''N-3'') were built to slightly different specifications fr ...

, 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 The ''N''2 chart or ''N''2 diagram (pronounced "en-two" or "en-squared") is a chart or diagram in the shape of a Matrix (mathematics), matrix, representing functional or physical interfaces between system elements. It is used to systematically id ...

, 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) 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 servi ...

London Buses route N2 The London Night Bus network is a series of Night bus service, 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 exten ...

South East Airlines OJSC Dagestan Airlines () was an airline based at Uytash Airport in Makhachkala, Dagestan, Russia, operating domestic and international scheduled and chartered flights. History The roots of the airline can be traced back to February 1927, wh ...

(IATA airline designator) *

Kabo Air Kabo Air was a Nigerian charter airline headquartered in Kano, Kano State and based at Mallam Aminu Kano International Airport. History Kabo Air was established in February 1980 by Dr. Alhaji Muhammadu Adamu Dankabo and started operations i ...

(IATA airline designator) *

Carretera Nacional N-II N-II was the former name for the National Route from Madrid to Barcelona and France. According to the new Spanish roads nomenclature, the sections which have been already enhanced and upgraded to ''autovía'' have been recently renamed to A-2, ...

, 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 naval warfare, maritime military branch, service branch of the United States Department of Defense. It is the world's most powerful navy with the largest Displacement (ship), displacement, at 4.5 millio ...

term for a senior military intelligence officer *

N2 Gateway The N2 Gateway Housing Pilot Project is a large housebuilding project under construction in Cape Town, South Africa. It has been labelled by the national government's former Housing Minister Lindiwe Sisulu as "the biggest housing project ever und ...

, a housing project along the N2 freeway in Cape Town, South Africa * N2, a postcode district in the

N postcode area The N (Northern) postcode area, also known as the London N postcode area, is the part of the London postal district, London post town covering part of North London, England. It is a group of 25 postcode districts which covers around 17,429 live ...

* The fourth level in the

Japanese Language Proficiency Test The , or JLPT, is a standardized criterion-referenced test to evaluate and certify Japanese language proficiency for non-native speakers, covering language knowledge, reading ability, and listening ability. The test is held twice a year in Japan a ...