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{{wiktionary|CW}}

'''CW''' may stand for:

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==Science and technology==
* Centiwatt (cW), one hundredth of a [[watt]]
* [[Cω]], a programming language
* [[CW complex]], a type of topological space
* [[Carrier wave]], a periodic waveform that is modulated in radio communication
* [[CodeWarrior]], an integrated development environment by NXP Semiconductors (originally by Metrowerks) for microcontroller and microprocessor software
* [[Constructed wetland]], a man-made wetland to treat wastewater
* [[Continuous wave]], an electromagnetic wave of constant amplitude and frequency, interrupted durations of which were historically used to transmit Morse code, also used in radar systems
* [[ClarisWorks]], an office suite now known as AppleWorks
* <math>c_{\rm w}</math>, a [[drag coefficient]] used a measure of air resistance
* Contention window, a network traffic characteristic; see {{slink|IEEE 802.11e-2005|Enhanced distributed channel access (EDCA)}}
* Chemical formula of [[tungsten carbide]] (more typically denoted WC)

==Arts and media==
===Gaming===
* ''[[Castle Wolfenstein]]'', a 1981 video game
* ''[[Cube World]]'', a video game
* ''[[Content Warning]]'', a 2024 video game published by landfall

===Publications===
* ''[[Computerworld]]'', an information technology magazine
* ''[[The Crimson White]]'', a student-run newspaper of the University of Alabama
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===Other media===
* [[The CW]], an American television network/programming service
**[[The CW Plus]], a national feed of the network
**[[CW Sports]], a sports programming division of the network
**[[Toonzai|The CW4Kids]], American Saturday morning cartoon children's television block
**[[The CW Daytime]], an afternoon programming block that was broadcast on the CW
**[[CW Seed]], a production arm that provided original content created exclusively for digital platforms focused in the areas of animation, game shows, comedy, and digital personalities
* [[Creative writing]], any writing that goes outside the bounds of normal professional, journalistic, academic, or technical forms of literature
* [[CloverWorks]], a Japanese animation studio
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==Companies==
* [[Cable & Wireless plc]], a British telecommunications company
* [[Camping World]], an outdoor equipment retailer
* [[Colonial Williamsburg]]
* [[Curtiss-Wright]], an engineering company (NYSE: CW)

==Military==
* [[Camp Wallace]], a United States Army facility
* [[Chemical warfare]], a type of warfare involving chemical weapons
* [[Chemical weapon]], a munition using chemical toxicity
* Chief [[warrant officer]], a relatively low-level rank of military officer
* [[Cold War]], the state of geopolitical tension following World War II

==Places==
* [[CW postcode area]] around Crewe, England
* [[Canada West]], an obsolete designation for the western part of Canada
* [[Canada's Wonderland]], an amusement park in Vaughan, Ontario, Canada
* [[Cook Islands]] (FIPS Pub 10-4 and obsolete NATO designation), a self-governing island country in the South Pacific Ocean 
* [[County Carlow]], in Ireland
* [[Curaçao]] (ISO 3166-1 alpha-2 country code CW), a Lesser Antilles island in the southern Caribbean Sea and the Dutch Caribbean region
* [[Calw]], a city in southern Germany

==Other uses==
* [[Air Marshall Islands]] (IATA code CW), an airline based in Majuro, in the Marshall Islands
* [[Calendar week]]
* [[Christian Worship: A Lutheran Hymnal]], a hymnal used by the WELS
* [[Clockwise]], motion that proceeds in the same direction as a clock's hands
* ''[[Common Worship]]'', a liturgy of the Church of England
* [[Conventional wisdom]], a description of ideas that are generally accepted as true
* [[Cruiserweight (boxing)]], a weight class in professional boxing between light heavyweight and heavyweight
* [[Content warning]], warnings that a work contains writing, images, or concepts that may be harmful or distressing to some people
* [[Culture war]], a cultural conflict between social groups
* [[C. W. Anderson]] (born 1970), a professional wrestler
* Cool white (about 4000 degrees Kelvin), a [[color temperature]] used for lighting; see  [[Fluorescent-lamp formats]]

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