CAS may refer to:

Organisations

California Academy of Sciences The California Academy of Sciences is a research institute and natural history museum in San Francisco, San Francisco, California, that is among the largest List of natural history museums, museums of natural history in the world, housing over ...

, a major natural history museum and center for scientific research * Career Academies of Seminole, a program run by

Pinellas County Schools Pinellas County Schools is the public school district serving Pinellas County, Florida. The district is based in Largo. With over 104,000 students served in more than 140 schools and centers, the district is the 7th-largest in Florida and 26th- ...

Florida Florida ( ; ) is a U.S. state, state in the Southeastern United States, Southeastern region of the United States. It borders the Gulf of Mexico to the west, Alabama to the northwest, Georgia (U.S. state), Georgia to the north, the Atlantic ...

* Casablanca American School, a

coed Mixed-sex education, also known as mixed-gender education, co-education, or coeducation (abbreviated to co-ed or coed), is a system of education where males and females are educated together. Whereas single-sex education was more common up to t ...

private prep

school A school is the educational institution (and, in the case of in-person learning, the Educational architecture, building) designed to provide learning environments for the teaching of students, usually under the direction of teachers. Most co ...

Casablanca Casablanca (, ) is the largest city in Morocco and the country's economic and business centre. Located on the Atlantic Ocean, Atlantic coast of the Chaouia (Morocco), Chaouia plain in the central-western part of Morocco, the city has a populatio ...

Morocco Morocco, officially the Kingdom of Morocco, is a country in the Maghreb region of North Africa. It has coastlines on the Mediterranean Sea to the north and the Atlantic Ocean to the west, and has land borders with Algeria to Algeria–Morocc ...

Casualty Actuarial Society The Casualty Actuarial Society (CAS) is a leading international professional society of actuaries, based in North America, and specializing in property and casualty insurance. The two levels of CAS membership are Associate (ACAS) and Fellow (FCAS ...

, a professional society of actuaries in the

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

Centre for Astrophysics and Supercomputing The Swinburne University of Technology (or simply Swinburne) is a public research university in Melbourne, Australia. It is the modern descendant of the Eastern Suburbs Technical College established in 1908, renamed Swinburne Technical College ...

, a research center at Swinburne University in

Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...

Chemical Abstracts Service Chemical Abstracts Service (CAS) is a division of the American Chemical Society. It is a source of chemical information and is located in Columbus, Ohio, United States. Print periodicals ''Chemical Abstracts'' is a periodical index that provid ...

, a division of the

American Chemical Society The American Chemical Society (ACS) is a scientific society based in the United States that supports scientific inquiry in the field of chemistry. Founded in 1876 at New York University, the ACS currently has more than 155,000 members at all ...

which produces bibliographic and chemistry databases *

Chinese Academy of Sciences The Chinese Academy of Sciences (CAS; ) is the national academy for natural sciences and the highest consultancy for science and technology of the People's Republic of China. It is the world's largest research organization, with 106 research i ...

, the national academy for the natural sciences of

China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...

Combined Associated Schools The Associated Schools of NSW Inc, most commonly referred to as the Committee of Associated Schools (CAS), is a group of six independent schools located in Sydney, which share common interests, ethics, educational philosophy and contest sporting ...

, an association of

private schools A private school or independent school is a school not administered or funded by the government, unlike a public school. Private schools are schools that are not dependent upon national or local government to finance their financial endowme ...

Sydney Sydney is the capital city of the States and territories of Australia, state of New South Wales and the List of cities in Australia by population, most populous city in Australia. Located on Australia's east coast, the metropolis surrounds Syd ...

Contemporary Art Society The Contemporary Art Society (CAS) is an independent charity that champions the collecting of outstanding contemporary art and craft for UK museum collections. Since its founding in 1910 the organisation has donated over 10,000 works to museum ...

, UK *

Contemporary Art Society (Australia) The Contemporary Art Society is an Australian organisation formed in Victoria in 1938 to promote non-representative forms of art. Separate, autonomous branches were formed in each state of the Commonwealth by 1966, although not all of them sti ...

**Contemporary Art Society,

Adelaide Adelaide ( , ; ) is the list of Australian capital cities, capital and most populous city of South Australia, as well as the list of cities in Australia by population, fifth-most populous city in Australia. The name "Adelaide" may refer to ei ...

, later the

Contemporary Art Centre of South Australia The Contemporary Art Centre of South Australia (CACSA), formerly Contemporary Art Society (CAS), was an art museum and art space located in the Adelaide suburb of Parkside, in South Australia. In late 2016 it merged with the Australian Experimen ...

Contemporary Arts Society The Contemporary Arts Society was founded by John Lyman in 1939 to promote modern art in Montreal, at a time when Canada was dominated by academic art. Lyman was the Society's first president. The additional officers were vice-president Paul-Émil ...

Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...

Court of Arbitration for Sport The Court of Arbitration for Sport (CAS; , TAS) is an international body established in 1984 to settle disputes related to sport through arbitration. Its headquarters are in Lausanne, Switzerland, and its courts are located in New York City, Sy ...

, an international arbitration body set up to settle disputes related to sports *

Children's Aid Society Children's Aid, formerly the Children's Aid Society, is a private child welfare nonprofit in New York City founded in 1853 by Charles Loring Brace. With an annual budget of over $100 million, 45 citywide sites, and over 1,200 full-time employees ...

, a private charity in

New York City New York, often called New York City (NYC), is the most populous city in the United States, located at the southern tip of New York State on one of the world's largest natural harbors. The city comprises five boroughs, each coextensive w ...

Children's Aid Society (Ontario) Children's Aid Societies (CAS) are certified non-governmental child protection organizations in Ontario, Canada, which operate independently of the Ontario Ministry of Children, Community, and Youth Services to provide child protection servic ...

, a Canadian government organization * Christchurch Adventist School, a Seventh-day Adventist school in

New Zealand New Zealand () is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and List of islands of New Zealand, over 600 smaller islands. It is the List of isla ...

Civil Aid Service The Civil Aid Service (CAS) is a civil organisation that assists in a variety of auxiliary emergency roles, including search and rescue operations in Hong Kong. CAS is funded by the Hong Kong Government and its members wear uniforms. Hist ...

, a

Hong Kong Hong Kong)., Legally Hong Kong, China in international treaties and organizations. is a special administrative region of China. With 7.5 million residents in a territory, Hong Kong is the fourth most densely populated region in the wor ...

Civil Aid agency * Cinema Audio Society, an association of sound professionals in the motion picture and television industry *

Council for the Advancement of Standards in Higher Education The Council for the Advancement of Standards in Higher Education (CAS) is a consortium of 41 higher education professional associations representing over 115,000 professionals, many with international constituencies, that promotes the development o ...

, a consortium of professional student development organizations in higher education *

Connecticut Association of Schools The Connecticut Association of Schools and the Connecticut Interscholastic Athletic Conference (CIAC) is the governing body for secondary school athletics and other interscholastic competition in the state of Connecticut. Sports offered Fall * ...

, the governing body for secondary school athletics and other competitions in

Connecticut Connecticut ( ) is a U.S. state, state in the New England region of the Northeastern United States. It borders Rhode Island to the east, Massachusetts to the north, New York (state), New York to the west, and Long Island Sound to the south. ...

, US *

Czech Academy of Sciences The Czech Academy of Sciences (abbr. CAS, , abbr. AV ČR) was established in 1992 by the Czech National Council as the Czech successor of the former Czechoslovak Academy of Sciences and its tradition goes back to the Royal Bohemian Society of Sc ...

, formerly Academy of Sciences of the

Czech Republic The Czech Republic, also known as Czechia, and historically known as Bohemia, is a landlocked country in Central Europe. The country is bordered by Austria to the south, Germany to the west, Poland to the northeast, and Slovakia to the south ...

Český atletický svaz The Czech Athletics Federation (, , abbreviated ČAS) is the governing body for the sport of athletics in the Czech Republic. Its president since 2009 is . History The history of ČAS dates back to 1897 when ''Česká amatérská atletická uni ...

, Czech Athletics Federation * ''Comite d'action socialiste'' -

Socialist Action Committee The Socialist Action Committee (CAS) was a French Resistance movement founded in March 1941 by Daniel Mayer and Suzanne Buisson under the guidance of Léon Blum. Its purpose was to reorganize the underground French Section of the Workers' Interna ...

, a

French Resistance The French Resistance ( ) was a collection of groups that fought the German military administration in occupied France during World War II, Nazi occupation and the Collaboration with Nazi Germany and Fascist Italy#France, collaborationist Vic ...

network

Computing

CAS latency Column address strobe latency, also called CAS latency or CL, is the delay in clock cycles between the READ command and the moment data is available. In asynchronous DRAM, the interval is specified in nanoseconds (absolute time). In synchronou ...

(column address strobe or column address select), a latency in reading computer memory *

Central Authentication Service Central Authentication Service (CAS) is a single sign-on protocol for the web. Its purpose is to permit a user to access multiple applications while providing their credentials (such as user ID and password) only once. It also allows web applica ...

, a single sign-on protocol * Cloud Analytic Services, a server that provides the cloud-based, run-time environment for data management and analytics with

SAS (software) SAS (previously "Statistical Analysis System") is a statistical software suite developed by SAS Institute for data management, advanced analytics, multivariate analysis, business intelligence, and predictive analytics. SAS was developed at No ...

Code Access Security Code Access Security (CAS), in the Microsoft .NET framework, is Microsoft's solution to prevent untrusted code from performing privileged actions. When the CLR loads an assembly it will obtain evidence for the assembly and use this to identify th ...

in the Microsoft .NET framework *

Compare-and-swap In computer science, compare-and-swap (CAS) is an atomic instruction used in multithreading to achieve synchronization. It compares the contents of a memory location with a given (the previous) value and, only if they are the same, modifies the ...

, a special CPU instruction, an atomic instruction used in multithreading to achieve synchronization *

Computer algebra system A computer algebra system (CAS) or symbolic algebra system (SAS) is any mathematical software with the ability to manipulate mathematical expressions in a way similar to the traditional manual computations of mathematicians and scientists. The de ...

, a software program that facilitates symbolic mathematics *

Conditional access Conditional access (CA) is a term commonly used in relation to software and to digital television systems. Conditional access is an evaluation to ensure the person who is seeking access to content is authorized to access the content. Access is man ...

system, a technology used in set-top boxes to allow conditional viewing of TV channels *

Content-addressable storage The content-addressable network (CAN) is a distributed, decentralized Peer-to-peer, P2P infrastructure that provides hash table functionality on an Internet-like scale. CAN was one of the original four distributed hash table proposals, introduced c ...

, a data storage mechanism *

Copyright Alert System Copyright Alert System (CAS) was a voluntary industry effort to educate and penalize internet users who engage in the unauthorized and unlawful distribution of copyrighted works via peer-to-peer file sharing services. The program was operated by the ...

, also known as the 'six strikes' program *

Cycle-accurate simulator A computer architecture simulator is a program that simulates the execution of computer architecture. Computer architecture simulators are used for the following purposes: * Lowering cost by evaluating hardware designs without building physical ...

, a computer program that simulates a microarchitecture in a cycle-accurate manner

Science and medicine

Calcium sulfide Calcium sulfide is the chemical compound with the formula Ca S. This white material crystallizes in cubes like rock salt. CaS has been studied as a component in a process that would recycle gypsum, a product of flue-gas desulfurization. Like ...

(CaS), a chemical compound *

Coronary artery spasm Coronary vasospasm refers to when a coronary artery suddenly undergoes either complete or sub-total temporary occlusion. In 1959, Prinzmetal et al. described a type of chest pain resulting from coronary vasospasm, referring to it as a variant for ...

(CAS) * Carotid artery stenting, endovascular surgery of the carotid artery *

Cassiopeia (constellation) Cassiopeia () is a constellation and Asterism (astronomy), asterism in the northern sky named after the vain queen Cassiopeia (mother of Andromeda), Cassiopeia, mother of Andromeda (mythology), Andromeda, in Greek mythology, who boasted about her ...

(Cas), standard astronomical abbreviation * Cells Alive System *

, a division of the American Chemical Society which produces bibliographic and chemistry databases ** CAS Registry Number, unique numerical identifiers for chemical substances *

Cognitive Assessment System Cognition is the "mental action or process of acquiring knowledge and understanding through thought, experience, and the senses". It encompasses all aspects of intellectual functions and processes such as: perception, attention, thought, imag ...

, an academic assessment test given to children *

Complex adaptive system A complex adaptive system (CAS) is a system that is ''complex'' in that it is a dynamic network of interactions, but the behavior of the ensemble may not be predictable according to the behavior of the components. It is '' adaptive'' in that the ...

, special cases of complex systems * ''Computer Aided Surgery'' (journal) *

Computer-assisted surgery Computer-assisted surgery (CAS) represents a surgical concept and set of methods, that use computer technology for surgical planning, and for guiding or performing surgical interventions. CAS is also known as computer-aided surgery, computer-assist ...

, use computer technology in surgery *

Critical animal studies Critical animal studies (CAS) (not to be confused with Animal Studies) is an educational field that critically examines human relationships with nonhuman animals, with a focus on social justice and animal liberation. Challenging the convention ...

, an interdisciplinary field in the humanities and social sciences *

Critical autism studies Critical autism studies (CAS) is an interdisciplinary research field within autism studies led by autistic people. This field is related to both disability studies and neurodiversity studies. CAS as a discipline is led by autistic academics, and ...

* Hartley kernel, which also is known as the ''cosine and sine'' function * Cis-abienol synthase, an enzyme *

CRISPR CRISPR (; acronym of clustered regularly interspaced short palindromic repeats) is a family of DNA sequences found in the genomes of prokaryotic organisms such as bacteria and archaea. Each sequence within an individual prokaryotic CRISPR is d ...

-associated (Cas) proteins, involved in the prokaryotic immune system and genome editing *

CAS parameters The CAS (concentration, asymmetry, smoothness) parameters are a tool originally developed in astronomy to characterize the shapes and images of objects with some central concentration. Each parameter is a single number which represents some aspec ...

, an image analysis method typically used in astronomy * Childhood apraxia of speech, a developmental speech disorder

Entertainment and sports

Calling All Stations ''...Calling All Stations...'' (stylised in all capitals) is the fifteenth and final studio album by English rock band Genesis. It was released 1 September 1997 by Virgin Records and is their only album featuring Scottish singer Ray Wilson as ...

, the fifteenth and final studio album by Genesis *

Cigarettes After Sex Cigarettes After Sex is an American dream pop band, formed in El Paso, Texas, in 2008 by Greg Gonzalez. The band is known for their ethereal, limerent and often dream-like musical style, lyrics often based on the themes of romance and love, a ...

, an American

ambient pop Ambient music is a genre of music that emphasizes Musical tone, tone and atmosphere over traditional Musical form, musical structure or rhythm. Often "peaceful" sounding and lacking Musical composition, composition, beat, and/or structured melod ...

band *

Classic Arts Showcase Classic Arts Showcase (CAS) is a television channel in the United States promoting the fine arts. The television program content includes prepared media and recorded live performances. It is a 24-hour non-commercial satellite channel broadcastin ...

, an American television channel promoting the fine arts *

Cowboy action shooting Cowboy action shooting (CAS, also known as Western action shooting, single action shooting, cowboy 3-gun, and Western 3-gun) is a competitive shooting sport that originated in 1981 at the Coto de Caza Shooting Range in Orange County, Califor ...

, a competitive shooting sport

Military

* Chief of the Air Staff, the professional head of the air force in some Commonwealth nations *

Close air support Close air support (CAS) is defined as aerial warfare actions—often air-to-ground actions such as strafes or airstrikes—by military aircraft against hostile targets in close proximity to friendly forces. A form of fire support, CAS requires ...

, a military tactic whereby aircraft are utilized to support friendly forces *

Combat armor suit An exoskeleton is a wearable device that augments, enables, assists, or enhances motion, posture, or physical activity through mechanical interaction with and force applied to the user’s body. Other common names for a wearable exoskeleton in ...

, a specialized suit that provides powered armor * Cost Accounting Standards, accounting requirements for larger defense and government contractors (United States)

Aerospace

Calibrated airspeed In aviation, calibrated airspeed (CAS) is indicated airspeed corrected for instrument and position error. When flying at sea level under International Standard Atmosphere conditions (15 °C, 1013 hPa, 0% humidity) calibrated airspeed is the ...

, the airspeed shown by an airspeed indicator * Covenant Aviation Security, LLC, a company that provides security services to the aviation industry *

Crew-alerting system An engine-indicating and crew-alerting system (EICAS) is an integrated system used in modern aircraft to provide aircraft flight crew with instrumentation and crew annunciations for aircraft engines and other systems. On EICAS equipped aircr ...

, the cockpit computer that issues system warnings to pilots *

Casablanca–Anfa Airport Casablanca–Anfa Airport (, ) was an airport in Morocco , located about southwest of Casablanca. Anfa Airport was one of three airports serving the Casablanca area, the others being the newer and larger Mohammed V International Airport and the ...

(IATA code)

Transport

* Castleton railway station, Manchester, England (National Rail station code) * Chicago, Attica and Southern Railroad, a former line in the American states of Indiana and Illinois

Other uses

Certificate of Advanced Study A Certificate of Advanced Study (CAS), also called an Advanced Certificate (AC), Certificate of Advanced Graduate Study (CAGS), or a Certificate of Advanced Professional Studies (CAPS), is a post-Master's academic certificate designed for profession ...

, a postgraduate certificate *

Channel-associated signaling Channel-associated signaling (CAS), also known as ''per-trunk signaling'' (PTS), is a form of digital communication signaling. As with most telecommunication signaling methods, it uses routing information to direct the payload of voice or data to i ...

, in telecommunications *

Citizens Advice Scotland Citizens Advice Scotland (CAS), formally the Scottish Association of Citizens Advice Bureaux (SACAB), is a registered charity. Based in Edinburgh it comprises 59 member bureaux, including a national helpline. Together these free local and national ...

, the umbrella organisation for Citizens Advice Bureaux in Scotland *

Clark Ashton Smith Clark Ashton Smith (January 13, 1893 – August 14, 1961) was an influential American writer of fantasy, horror, and science fiction stories and poetry, and an artist. He achieved early recognition in California (largely through the enthusiasm ...

(1893–1961), American author and artist *

Collision avoidance system A collision avoidance system (CAS), also known as a pre-crash system, forward collision warning system (FCW), or collision mitigation system, is an advanced driver-assistance system designed to prevent or reduce the severity of a collision. In ...

, an automobile safety system * Controlled American source, a placeholder term used by the Central Intelligence Agency in

classified documents Classified information is confidential material that a government deems to be sensitive information which must be protected from unauthorized disclosure that requires special handling and dissemination controls. Access is restricted by law or ...

to avoid disclosure of specific locations, operations, activities, or individuals * Controlled atmosphere stunning, a method for slaughtering animals *

County Antrim Shield The County Antrim & District Football Association Senior Shield (more commonly known as the County Antrim Shield) is a football competition in Northern Ireland. The competition is open to senior teams who are members of the North East Ulster F ...

, football tournament in Northern Ireland * Creativity, activity, service, the community service aspect of the International Baccalaureate Diploma Programme