# CA

> Mediated Wiki article. Canonical URL: https://mediated.wiki/source/CA
> Markdown URL: https://mediated.wiki/source/CA.md
> Source: https://en.wikipedia.org/wiki/CA
> Source revision: 1352451908
> License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/)

{{Wiktionary|CA|Ca|ca|ça}}

'''CA''' most often refers to:
* [Canada](/source/Canada), a country by ISO 3166-1 alpha-2 code
** when appended to a stock-market ticker symbol (e.g. AAPL:CA): traded on [Toronto Stock Exchange](/source/Toronto_Stock_Exchange)
* [California](/source/California), U.S. state by postal abbreviation

'''CA''' or '''ca''' may also refer to:
{{TOC right}}

==Businesses and organizations==
===Companies===
* [Air China](/source/Air_China) (IATA airline code CA)
* [CA Technologies](/source/CA_Technologies), a U.S. software company
* [Cayman Airways](/source/Cayman_Airways), a Cayman Islands airline
* [Channel America](/source/Channel_America), a defunct U.S. television network
* [Coal & Allied](/source/Coal_%26_Allied), Australian mining company
* [Continental Airlines](/source/Continental_Airlines), a U.S. airline
* [Creative Assembly](/source/Creative_Assembly), a PC game developer
* [Crédit Agricole](/source/Cr%C3%A9dit_Agricole), a major French bank

===Government and political===
* [Bureau of Consular Affairs](/source/Bureau_of_Consular_Affairs), a division of the U.S. Department of State
* [Canadian Alliance](/source/Canadian_Alliance), a former Canadian political party
* [Centre Alliance](/source/Centre_Alliance), Australian political party formerly known as Nick Xenophon Team
* [Citizens' Alliance](/source/Citizens'_Alliance), a political party in Trinidad and Tobago
* [Combined authority](/source/Combined_authority), a local government entity in the United Kingdom
* [Commission on Appointments](/source/Commission_on_Appointments), a body of the Congress of the Philippines
* [Conservatives Abroad](/source/Conservatives_Abroad), overseas wing of the British Conservative Party
* [Countryside Alliance](/source/Countryside_Alliance), a British political organization
* [Court of Appeals](/source/Court_of_Appeals)
* [Customs Administration](/source/Customs_Administration%2C_Ministry_of_Finance), an agency of Taiwan

===Schools===
* [Canadian Academy](/source/Canadian_Academy), an international school in Kobe, Japan
* [Cary Academy](/source/Cary_Academy), a private college-preparatory school in Cary, North Carolina, United States
* [Claiborne Academy](/source/Claiborne_Academy), a private school in Claiborne Parish, Louisiana, United States
* [Clarksville Academy](/source/Clarksville_Academy), a private college-preparatory school in Clarksville, Tennessee, United States
* [Colorado Academy](/source/Colorado_Academy), a private college-preparatory school in Lakewood, Colorado, United States
* [Concord Academy](/source/Concord_Academy), a private college-preparatory school in Concord, Massachusetts, United States
* [Connections Academy](/source/Connections_Academy), an online school based in Baltimore, Maryland, United States
* [Culver Academies](/source/Culver_Academies), a boarding school and summer camp program in Culver, Indiana, United States

===In sport===
* [California Angels](/source/California_Angels), former name of a professional baseball team currently known as Los Angeles Angels
* [Club Africain](/source/Club_Africain), a multi-sport club from Tunis, Tunisia
* [Cricket Australia](/source/Cricket_Australia), the governing body for professional and amateur cricket in Australia
* [Cruising Association](/source/Cruising_Association), a UK membership organization for sailors
* [Cycling Australia](/source/Cycling_Australia), the national governing body for bicycle racing in Australia

===Other organizations===
*[Caterers' Association](/source/Caterers'_Association), former UK trade association
* [Cocaine Anonymous](/source/Cocaine_Anonymous), a twelve-step program
* Creativity Alliance, an arm of [Creativity (religion)](/source/Creativity_(religion)), a white supremacist organization

==In linguistics==
* Ca., an abbreviation for ''[circa](/source/wiktionary%3Acirca)'', meaning "approximately" in Latin
* ''Ça'', [French demonstrative pronoun](/source/French_pronouns)
* [Ca (Indic)](/source/Ca_(Indic)), a glyph in the Brahmic family of scripts
* [Ca (Javanese)](/source/Ca_(Javanese)), a letter in the Javanese script
* [Catalan language](/source/Catalan_language) (ISO 639 alpha-2 language code)
* ca, the subdomain for [Catalan Wikipedia](/source/Catalan_Wikipedia)
* [Contrastive analysis](/source/Contrastive_analysis), the systematic study of a pair of languages

==Mathematics, science, and technology==
===Biology and medicine===
* [''CA'' (journal)](/source/CA_(journal)), a medical journal
* [''Ca'' (moth)](/source/Ca_(moth)), a moth genus
* ''Ca.'', abbreviation for ''[Candidatus](/source/Candidatus)'', for taxonomical names that have not been completely described
* [Cancer](/source/Cancer)
* [Carbonic anhydrase](/source/Carbonic_anhydrase), a family of enzymes
* [Carcinoma](/source/Carcinoma), a type of cancer
* [Cardiac arrest](/source/Cardiac_arrest)

===Chemistry===
* [Calcium](/source/Calcium), symbol Ca, a chemical element
* [Catecholamine](/source/Catecholamine), an organic compound
* [Cellulose acetate](/source/Cellulose_acetate), a type of plastic
* ''Chemical Abstracts'', a publication of [Chemical Abstracts Service](/source/Chemical_Abstracts_Service)
* [Cyanoacrylate](/source/Cyanoacrylate), a chemical compound

===Mathematics and computing===
* [Cellular automaton](/source/Cellular_automaton), a discrete mathematical model
* [Certificate authority](/source/Certificate_authority), an entity issuing digital certificates for secure communications
* [Correspondence analysis](/source/Correspondence_analysis), a multivariate statistical technique
* [Cultural algorithm](/source/Cultural_algorithm), a type of evolutionary computation in computer science

===Other uses in science and technology===
* [Centiampere](/source/Centiampere) (cA), an SI unit of electric current
* [Certificate Authority](/source/Certificate_Authority) (CA), an entity that issues digital certificates
* [''CA''-class submarine](/source/CA-class_submarine), a World War II Italian midget submarine
* [Nissan CA engine](/source/Nissan_CA_engine), used in smaller Nissan vehicles
* [Chromatic aberration](/source/Chromatic_aberration), a distortion in optical lenses
* [Conditional access](/source/Conditional_access), in broadcast engineering
* [Conservation agriculture](/source/Conservation_agriculture), a food system
* [Conversation analysis](/source/Conversation_analysis), the study of talk in interaction

==Places==
* [Cả River](/source/C%E1%BA%A3_River), in Laos and Vietnam
* [Province of Cádiz](/source/Province_of_C%C3%A1diz), Spain
* [City of Carlisle](/source/City_of_Carlisle), United Kingdom, by postcode
* [Catamarca Province](/source/Catamarca_Province), Argentina
* [Central America](/source/Central_America)
* [Tokyo Bay Aqua-Line](/source/Tokyo_Bay_Aqua-Line), a bridge-tunnel across Tokyo Bay area in Japan, numbered as CA
* [Čadca District](/source/%C4%8Cadca_District), Slovakia, former vehicle registration plate code

==Other uses==
* [.ca](/source/.ca), Internet country code for Canada
* CA-, a [road designation](/source/road_designation) for highways part of the Central American highway network
* CA, the official designation for [heavy cruiser](/source/heavy_cruiser)  in the U.S. Navy from 1920–1945  
* ['CA': Tactical Naval Warfare in the Pacific 1941-43](/source/'CA'%3A_Tactical_Naval_Warfare_in_the_Pacific_1941-43), a 1973 board wargame that simulates World War II naval combat
* [Ca Mè Mallorquí](/source/Ca_M%C3%A8_Mallorqu%C3%AD), a dog breed native to Spain
* [centiare](/source/centiare) = 1 square metre
* [Character assassination](/source/Character_assassination), a deliberate and sustained effort to damage the reputation or credibility of an individual
* [Chartered Accountant](/source/Chartered_Accountant)
* [Civil affairs](/source/Civil_affairs), a term used by both the United Nations and by military institutions
* [Communication arts (disambiguation)](/source/Communication_arts_(disambiguation))
* [Confidentiality agreement](/source/Confidentiality_agreement)
* {{Lang|ES|Compañía Anónima}}, a type of corporate organization in Venezuela
* [Current account (disambiguation)](/source/Current_account_(disambiguation)), in economics
* A US Navy hull classification symbol: [Heavy cruiser (CA)](/source/List_of_cruisers_of_the_United_States_Navy)
* CA, symbol for JR [Tōkaidō Line](/source/T%C5%8Dkaid%C5%8D_Line) from Atami to Maibara, operated by JR Central

==See also==
* [Circa (disambiguation)](/source/Circa_(disambiguation))
* [Class A (disambiguation)](/source/Class_A_(disambiguation))

{{disambiguation}}

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Adapted from the Wikipedia article [CA](https://en.wikipedia.org/wiki/CA) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/CA?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.