• People's Republic of China
    People's Republic of China
    China , officially the People's Republic of China , is the most populous country in the world, with over 1.3 billion citizens. Located in East Asia, the country covers approximately 9.6 million square kilometres...

    , ISO 3166-1 alpha-2 country code; sometimes refers exclusively to Mainland China
    Mainland China
    Mainland China, the Chinese mainland or simply the mainland, is a geopolitical term that refers to the area under the jurisdiction of the People's Republic of China . According to the Taipei-based Mainland Affairs Council, the term excludes the PRC Special Administrative Regions of Hong Kong and...

  • Comoros
    The Comoros , officially the Union of the Comoros is an archipelago island nation in the Indian Ocean, located off the eastern coast of Africa, on the northern end of the Mozambique Channel, between northeastern Mozambique and northwestern Madagascar...

    , FIPS Pub 10-4 and obsolete NATO digram
  • CN Tower
    CN Tower
    The CN Tower is a communications and observation tower in Downtown Toronto, Ontario, Canada. Standing tall, it was completed in 1976, becoming the world's tallest free-standing structure and world's tallest tower at the time. It held both records for 34 years until the completion of the Burj...

    , Toronto
  • CN Centre
    CN Centre
    The CN Centre is a 5,967-seat multi-purpose arena, in Prince George, British Columbia, Canada. It was designed by PBK Architects, opened in 1995 and is owned by the City of Prince George. There are 14 luxury suites...

     - an arena in Prince George, British Columbia
  • Province of Cuneo
    Province of Cuneo
    ayr is a province in the southwest of the Piedmont region of Italy. To the west it borders on the French region of Provence-Alpes-Côte d'Azur ....

  • CN is the code for Cavan
    County Cavan
    County Cavan is a county in Ireland. It is part of the Border Region and is also located in the province of Ulster. It is named after the town of Cavan. Cavan County Council is the local authority for the county...

    , Ireland
  • CN is a railway in Canada.


  • Canadian National Railway
    Canadian National Railway
    The Canadian National Railway Company is a Canadian Class I railway headquartered in Montreal, Quebec. CN's slogan is "North America's Railroad"....

  • Cartoon Network
    Cartoon Network
    Cartoon Network is a name of television channels worldwide created by Turner Broadcasting which used to primarily show animated programming. The channel began broadcasting on October 1, 1992 in the United States....

  • Canadian Northern Railway
    Canadian Northern Railway
    The Canadian Northern Railway is a historic Canadian transcontinental railway. At its demise in 1923, when it was merged into the Canadian National Railway , the CNoR owned a main line between Quebec City and Vancouver via Ottawa, Winnipeg, and Edmonton.-Manitoba beginnings:CNoR had its start in...

  • China Netcom
    China Netcom
    China Netcom, full name China Netcom Group Corporation Limited , abbreviated CNC, was a former telecommunication service provider in People's Republic of China...

  • Westward Airways
    Westward Airways (Nebraska)
    Westward Airways was an airline based in Scottsbluff, Nebraska, USA. It was a regional airline operating scheduled services in Nebraska and New Mexico. Westward Airways ceased flight operations on July 25, 2005.- History :...

    ' IATA code
  • Islands Nationair
    Islands Nationair
    Islands Nationair is an airline based in Port Moresby, Papua New Guinea. It operates charter and scheduled passenger services and helicopter charter services. Its main base is Jacksons International Airport, Port Moresby.-History:...

    ' IATA code


  • Carson-Newman College
    Carson-Newman College
    Carson–Newman College is a historically Baptist liberal arts college located in Jefferson City, Tennessee, United States. Enrollment as of 2006-2007 was about 2,050. The college's students come from 44 U.S. states and 30 other countries. Studies are offered in approximately 90 different academic...

     in Jefferson City, Tennessee
  • Chinese Nationalist Party (Kuomintang), a centre-right political party in the Republic of China on Taiwan.
  • Commonwealth of Nations
    Commonwealth of Nations
    The Commonwealth of Nations, normally referred to as the Commonwealth and formerly known as the British Commonwealth, is an intergovernmental organisation of fifty-four independent member states...

Science, medicine and technology

  • Curve number used in hydrology
  • Copy number of a gene or genetic variation
  • Copernicium has the symbol Cn (formerly named element Ununbium)
  • Computational neuroethology
  • Cranial nerves
    Cranial nerves
    Cranial nerves are nerves that emerge directly from the brain, in contrast to spinal nerves, which emerge from segments of the spinal cord. In humans, there are traditionally twelve pairs of cranial nerves...

  • Construction number (C/N, alternately defined as contractor's number), used in the aircraft industry
  • Carrier-to-noise ratio
    Carrier-to-noise ratio
    In telecommunications, the carrier-to-noise ratio, often written CNR or C/N, is the signal-to-noise ratio of a modulated signal. The term is used to distinguish the CNR of the radio frequency passband signal from the SNR of an analogue base band message signal after demodulation, for example an...


  • Calcineurin
    Calcineurin is a protein phosphatase also known as protein phosphatase 3, PPP3CA, and calcium-dependent serine-threonine phosphatase, and formerly known as protein phosphatase 2B . It activates the T cells of the immune system and can be blocked by drugs...

  • Cyanide
    A cyanide is a chemical compound that contains the cyano group, -C≡N, which consists of a carbon atom triple-bonded to a nitrogen atom. Cyanides most commonly refer to salts of the anion CN−. Most cyanides are highly toxic....

     (the chemical formula CN)
  • CN gas
    CN gas
    Phenacyl chloride is a substituted acetophenone. It is a useful building block in organic chemistry. Apart from that, it has been historically used as a riot control agent, where it is designated CN.-Preparation:...

    , Chloroacetophenone
  • Hydrogen cyanide (chemical formula HCN)
  • Cyanide radical (chemical formula CN)
  • Cyanogen
    Cyanogen is the chemical compound with the formula 2. It is a colorless, toxic gas with a pungent odor.The molecule is a pseudohalogen. Cyanogen molecules consist of two CN groups — analogous to diatomic halogen molecules, such as Cl2, but far less oxidizing...

     (chemical formula NCCN or C2N2)


  • .cn
    .cn is the country code top-level domain for mainland China.The domain name administration in People's Republic of China is done through a branch of the Ministry of Information Industry. This ministry oversees everything from telecommunications to broadcasting similar to the Federal Communications...

    , country code top-level domain for mainland China
  • Correspondent Node, part of the definitions for the Mobile IP
    Mobile IP
    Mobile IP is an Internet Engineering Task Force standard communications protocol that is designed to allow mobile device users to move from one network to another while maintaining a permanent IP address. Mobile IP for IPv4 is described in IETF RFC 5944, and extensions are defined in IETF RFC 4721...

  • Common Name, an attribute of the Lightweight Directory Access Protocol
    Lightweight Directory Access Protocol
    The Lightweight Directory Access Protocol is an application protocol for accessing and maintaining distributed directory information services over an Internet Protocol network...

     protocol family
  • VIA CN processor
  • Cyber Nations
    Cyber Nations
    Cyber Nations is a massive multiplayer online geo-political simulator. Players assume the role of a national leader of a fictional nation they create and then run....

     An MMO Nation Simulation Game


  • Collegiate Network
    Collegiate Network
    The Collegiate Network is a non-profit, non-partisan tax-exempt 501 organization that provides financial and technical assistance to student editors and writers of almost 100 independent, conservative and libertarian publications at leading colleges and universities around the country. The project...

  • Combined Nomenclature
    Combined Nomenclature
    Council Regulation No 2658/87 of 23 July 1987, creates the goods nomenclature called the Combined Nomenclature, or in abbreviated form 'CN', established to meet, at one and the same time, the requirements both of the Common Customs Tariff and of the external trade statistics of the European...

     (CN), the EU’s coding system for classifying products for customs and statistical purposes. This classification is based on the Harmonized System
    Harmonized System
    The Harmonized Commodity Description and Coding System of tariff nomenclature is an internationally standardized system of names and numbers for classifying traded products developed and maintained by the World Customs Organization , an independent intergovernmental organization with over 170...

  • Credit note
    Credit note
    A credit note or credit memorandum is a commercial document issued by a seller to a buyer. The seller usually issues a Credit Memo for the same or lower amount than the invoice, and then repays the money to the buyer or sets it off against a balance due from other transactions.It can also be a...

  • Gnaeus
    Gnaeus or Cnaeus was a Roman praenomen derived from Etruscan Cneve, of unknown meaning.Some individuals named Gnaeus were:*Gnaeus Calpurnius Piso*Gnaeus Cornelius Cinna Magnus*Gnaeus Cornelius Scipio Asina*Gnaeus Cornelius Scipio Calvus...

     (Cn.) a Roman Praenomen
    The praenomen was a personal name chosen by the parents of a Roman child. It was first bestowed on the dies lustricus , the eighth day after the birth of a girl, or the ninth day after the birth of a boy...

  • Chaotic Neutral, an alignment in the Dungeons & Dragons role-playing game
  • Cartoon Network
    Cartoon Network
    Cartoon Network is a name of television channels worldwide created by Turner Broadcasting which used to primarily show animated programming. The channel began broadcasting on October 1, 1992 in the United States....

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