Editing N2 (section)

==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 canal]]s, 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#Operation|jet engine]]
<!--* [[Revolutions per minute]], a term of the high-pressure compressor in a turbofan engine, expressed as a percentage of the maximum-->
* [[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 (SS-54)]], 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