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{{wiktionary|CB|C.B.|C.-B.}}
'''CB''' and variants may refer to:
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==Places==
* [[CB postcode area]], British post code for eastern England served by the Cambridge postal sorting office
* [[Cambodia]] (LOC MARC code, obsolete FIPS Pub 10-4 country code and obsolete NATO digram CB)
* [[Cape Breton (disambiguation)]]
* [[Centura București]], a ring road of Bucharest, Romania
* [[Colegio Bolivar]], an American school in Cali, Colombia
* [[Colwyn Bay]], Wales
* [[Province of Campobasso]], Italy
* ČB – [[České Budějovice]], Czech Republic

==People==
* [[Chris Brown]] (born 1989), American R&B singer
* [[Chris Bosh]] (born 1984), American basketball player
* [[Henry Campbell-Bannerman]] (1836–1908), Prime Minister of the United Kingdom 1906–1908, widely referred to by his surname initials
* ''Chauncey the Bear'', a imaginary friend in 2024 film ''[[Imaginary (film)|Imaginary]]''
==Brands and enterprises==
* [[Carte Bancaire]], a bank card brand
* [[Christianssands Bryggeri]], a Norwegian brewery
* [[ScotAirways]] (IATA airline code CB)
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==Business and financial terms==
* [[Capacity building]], the process by which individuals and organizations obtain, improve, and retain the skills and knowledge needed to undertake their tasks
* [[Certification body]]
* [[Chargeback]], a reversal of a banking or credit card transaction
* [[Convertible bond]], a type of bond that can convert into a specified number of shares

==Science and technology==
===Computing and telecommunications===
* [[Cell Broadcast]], in GSM mobile networks
* [[Citizens band radio]] (CB radio), a system of short-distance radio communications
* [[Closed beta]], a software development stage or testing process
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===Other uses in science and technology===
* [[Cannabinoids]], a group of substances that bind to animal cannabinoid receptors
* [[Circuit breaker]], an automatic electrical switch designed to protect an electrical circuit from damage caused by overcurrent
* [[Columbium]] (Cb), an obsolete name for the element niobium
* [[Valence and conduction bands|Conduction band]] of the electrons in a (semiconducting) solid
* [[Confirmation bias]]
* [[Cumulonimbus cloud]] (Cb), a type of cloud that is tall, dense, and involved in thunderstorms and other intense weather
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==Sea vessels==
* [[CB-class midget submarine]], a group of midget submarines built for the Italian Navy during World War II
* [[Block coefficient]] (C<sub>b</sub>), a parameter describing the shape of a ship's hull
* A retired US Navy hull classification symbol: [[List of cruisers of the United States Navy#Large cruisers (CB)|Large cruiser (CB)]]

==Sports==
===Positions===
* [[Centre-back]], a defensive position in association football
* [[Cornerback]], a position in American football

===Teams===
* [[Chicago Bears]], a team in the National Football League
* [[Chicago Bulls]], a team in the National Basketball Association
* [[Cleveland Browns]], a team in the National Football League
* [[Cincinnati Bengals]], a team in the National Football League
* [[Chicago Blackhawks]], a team in the National Hockey League

==Titles==
* [[Chief Baron of the Exchequer]], the chief judge of the Court of Exchequer, an abolished English court
* [[Companion of The Most Honourable Order of the Bath]], a title conferred to British and Commonwealth citizens

==Other uses==
*{{look from|C. B.}}
*[[2020 Singapore circuit breaker measures]], commonly abbreviated as CB, a stay-at-home order implemented in response to the COVID-19 pandemic in Singapore
*CB, dominical letter for a [[leap year starting on Friday]]
*''[[Casus belli]]'', a Latin expression meaning reason for war
*[[Construction Battalion]] (CB or "Seabee"), a United States Navy unit responsible for any type of construction be it  general or combat on land or under water.
*Curveball, a music festival hosted by the band [[Phish]]
*Cone Beam (especially CBCT; [[Cone beam computed tomography]])
*Cumulative Bulletin, an annual compilation of the ''[[Internal Revenue Bulletin]]''

==See also==
*[[C♭ (musical note)]]
**[[C♭ major]]
**[[C-flat minor]]

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