Editing CN

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{{wiktionary|CN|Cn|Cn.|cN}}
'''CN''', '''Cn''', '''cn''' and other variants may refer to:
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== Companies ==
* [[Canadian National Railway]], reporting mark CN
* [[China Netcom]], a former telecommunication service provider in China, NYSE symbol
* [[Collegiate Network]], supporting college publications
* [[Grand China Air]] IATA code CN
* [[Islands Nationair]], an airline based in Port Moresby, Papua New Guinea, IATA code CN
* [[Westward Airways (Nebraska)]], a former airline, IATA code CN (dissolved 2005)<!--The 3 airlines listed here are all listed as having IATA code CN ?!-->

==Media and entertainment==
* [[Cartoon Network]], an American cable channel
** [[List of international Cartoon Network channels]]

== Places ==
* [[China]] (People's Republic of China), ISO 3166 country code CN
* [[CN Centre]], an arena in Prince George, British Columbia
* [[CN Tower]], communications and observation tower in Toronto, Ontario
*Station code for [[Cirebon railway station]]
* [[Circuito Norte]], national highway of Cuba

==Mathematics, science, and technology==
===Biology===
* [[Computational neuroethology]], the study of animal behavior and its control by the nervous system
* [[Cranial nerve]]s, CN 0 to CN XII

===Chemistry===
* [[CN gas]], a substituted acetophenone used as a riot control agent
* [[Copernicium]], symbol Cn, a chemical element
* [[Cyanide]], any chemical compound that contains a carbon atom triple-bonded to a nitrogen atom, -CN
** [[Cyano radical]], molecular formula ·CN
* [[Cyanogen]], a colorless, toxic gas with a pungent odor, (CN)<sub>2</sub>

===Computing===
* [[.cn]], country code top-level domain for mainland China
* [[Cloud native computing]], an approach in software development
* Common Name, an attribute of the [[Lightweight Directory Access Protocol]] protocol family
* Common Name, an attribute of [[X.509]] public-key certificates
* [[VIA CN]], a 64-bit CPU for personal computers

===Mathematics===
* C<sub>n</sub>, a [[cyclic group]]
* C<sub>n</sub>, a classical [[Root system#Cn|root system]]
* [[cn (elliptic function)]], one of Jacobi's elliptic functions

===Other uses in mathematics, science, and technology===
* [[Carrier-to-noise ratio]] ''C/N'', the signal-to-noise ratio of a modulated signal
* [[Curve number]], a parameter used in hydrology for predicting direct runoff or infiltration from rainfall
* cN, abbreviation for [[centinewton]], a force equal to one hundredth of a newton
* [[Classical nova]], a type of cataclysmic variable star

== Other uses ==
* [[Cn (digraph)]], a digraph used in English for a few words of Greek origin
* [[Cnaeus (disambiguation)]] or [[Gnaeus (disambiguation)]], popular Roman praenomens
* [[Combined Nomenclature]], EU customs coding
* Vehicle registration code for [[County Cavan]], Ireland
* Vehicle registration code for [[Province of Cuneo]], Italy
* Aircraft registration code for [[Morocco]]
* [[Group CN]], a category of prototype racing cars

==See also==
* [[CNN]], an American basic cable and satellite television channel
* {{look from}}

{{Disambiguation}}