What is Cn?
{{For|use on Wikipedia|{{not a typo|Wikipedia:Cita|tion needed}}|{{not a typo|Template:Cita|tion needed}}|selfref=yes}} {{wiktionary|CN|Cn|Cn.|cN}} '''CN''', '''Cn''', '''cn''' and other variants may refer to: {{tocright}} == 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]] ==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=== * [[Cn (mathe