Institutions

• California Academy of Sciences
  California Academy of Sciences
  The California Academy of Sciences is among the largest museums of natural history in the world. The academy began in 1853 as a learned society and still carries out a large amount of original research, with exhibits and education becoming significant endeavors of the museum during the twentieth...
  
  , a museum of natural history, San Francisco, California, USA
• Casualty Actuarial Society
  Casualty Actuarial Society
  The Casualty Actuarial Society is a professional society of actuaries whose goal is "the advancement of the body of knowledge of actuarial science applied to property, casualty, and similar risk exposures." Its members are mainly involved in the property and casualty areas of the actuarial...
  
  , a professional society of actuaries in the United States
• Centre for Astrophysics and Supercomputing
  Centre for Astrophysics and Supercomputing
  The Centre for Astrophysics and Supercomputing is a research centre located at the Swinburne University in Melbourne, Australia.The Centre comprises about 20 staff and students engaged in diverse areas of astrophysical research. It is actively involved in the planned Square Kilometre Array...
  
  , a research center at Swinburne University in Australia
• Chinese Academy of Sciences
  Chinese Academy of Sciences
  The Chinese Academy of Sciences , formerly known as Academia Sinica, is the national academy for the natural sciences of the People's Republic of China. It is an institution of the State Council of China. It is headquartered in Beijing, with institutes all over the People's Republic of China...
  
  , the national academy for the natural sciences of China
• College of Arts and Sciences (disambiguation)
• Combined Associated Schools
  Combined Associated Schools
  The Associated Schools of NSW Inc, most commonly referred to as the Combined Associated Schools , is a group of six independent schools located in Sydney, Australia which share common interests, ethics, educational philosophy and contest sporting events between themselves...
  
  , an association of private schools in Sydney, Australia
• Court of Arbitration for Sport
  Court of Arbitration for Sport
  The Court of Arbitration for Sport is an international arbitration body set up to settle disputes related to sport. Its headquarters are in Lausanne and its courts are located in New York, Sydney and Lausanne, Switzerland...
  
  , an international arbitration body set up to settle disputes related to sports
• Swiss Alpine Club
  Swiss Alpine Club
  The Swiss Alpine Club is the largest mountaineering club in Switzerland. It was founded in 1863 in Olten and it is now composed of 111 sections with 110,000 members...
  
   (abbreviated CAS in four non-English languages), a mountaineering club in Switzerland
• Children's Aid Society
  Children's Aid Society
  __notoc__The Children’s Aid Society is a private charitable organization based in New York City. It serves 150,000 children per year, providing foster care, medical and mental health services, and a wide range of educational, recreational and advocacy services through dozens of community centers,...
  
  , a private charity in New York City
• Children's Aid Society (Canada)
  Children's Aid Society (Canada)
  The Children's Aid Societies of Ontario, Canada, are independent organizations empowered by the Ontario government to perform child protection services. The declared goal is to "promote the best interests, protection and well being of children"...
  
  , a Canadian government organization (province of Ontario)
• Christchurch Adventist School
  Christchurch Adventist School
  Christchurch Adventist School is a co-educational, K-13 secondary school in Papanui suburb of Christchurch, New Zealand. It is owned and operated by the Seventh-day Adventist Church....
  
  , a Seventh-day Adventist school in New Zealand
• Civil Aid Service
  Civil Aid Service
  The Civil Aid Service or CAS in short is a civil organisation that assist in a variety of auxiliary emergency roles, including search and rescue operations in Hong Kong:...
  
  , a Hong Kong Civil Aid agency
• Cinema Audio Society, an association of sound professionals in the Motion Picture and Television Industry

Computing

• CAS latency
  CAS Latency
  Column Address Strobe latency, or CL, is the delay time between the moment a memory controller tells the memory module to access a particular memory column on a RAM memory module, and the moment the data from given array location is available on the module's output pins...
  
   (column address strobe or column address select), a latency in reading computer memory
• Central Authentication Service
  Central Authentication Service
  The Central Authentication Service is a single sign-on protocol for the web. Its purpose is to permit a user to access multiple applications while providing their credentials only once. It also allows web applications to authenticate users without gaining access to a user's security credentials,...
  
  , a single sign-on protocol
• Channel Associated Signaling
  Channel Associated Signaling
  Channel Associated Signaling , also known as per-trunk signaling , 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 its destination. With CAS signaling, this routing information is...
  
  , a type of communication signaling
• Code Access Security
  Code Access Security
  Code Access Security , 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 the code group that the assembly belongs to. A code group...
  
   in the Microsoft .NET framework
• Compare-and-swap
  Compare-and-swap
  In computer science, the compare-and-swap CPU instruction is a special instruction that atomically compares the contents of a memory location to a given value and, only if they are the same, modifies the contents of that memory location to a given new value...
  
  , a special CPU instruction
• Computer algebra system
  Computer algebra system
  A computer algebra system is a software program that facilitates symbolic mathematics. The core functionality of a CAS is manipulation of mathematical expressions in symbolic form.-Symbolic manipulations:...
  
  , a software program that facilitates symbolic mathematics
• Conditional access system, selective digital media transmission system
• Console access server, a device or service that provides access to the system console of a computing device
• Consumer alert system
  Consumer alert system
  The consumer alert system is a spyware/adware program for Microsoft Windows that delivers advertisements to a personal computer's desktop. The program has been criticized by users for privacy issues and hijackings of computers...
  
  , a spyware/adware program
• Content-addressable storage
  Content-addressable storage
  Content-addressable storage, also referred to as associative storage or abbreviated CAS, is a mechanism for storing information that can be retrieved based on its content, not its storage location. It is typically used for high-speed storage and retrieval of fixed content, such as documents stored...
  
  , a data storage mechanism
• Cycle Accurate Simulator
  Cycle Accurate Simulator
  A Cycle Accurate Simulator is a computer program that simulates a microarchitecture cycle-accurate. In contrast an instruction set simulator simulates an Instruction Set Architecture usually faster but not cycle-accurate to a specific implementation of this architecture. They are often used when...
  
  , a computer program that simulates a microarchitecture cycle-accurate

Science and medicine

• Calcium sulfide
  Calcium sulfide
  Calcium sulfide is the chemical compound with the formula CaS. 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...
  
   (CaS), a chemical compound
• Cassiopeia (constellation)
  Cassiopeia (constellation)
  Cassiopeia is a constellation in the northern sky, named after the vain queen Cassiopeia in Greek mythology, who boasted about her unrivalled beauty. Cassiopea was one of the 48 constellations listed by the 2nd century Greek astronomer Ptolemy, and it remains one of the 88 modern constellations today...
  
   (Cas), standard astronomical abbreviation
• Chemical Abstracts Service
  Chemical Abstracts Service
  Chemical Abstracts is a periodical index that provides summaries and indexes of disclosures in recently published scientific documents. Approximately 8,000 journals, technical reports, dissertations, conference proceedings, and new books, in any of 50 languages, are monitored yearly, as are patent...
  
  , a division of the American Chemical Society which produces bibliographic and chemistry databases
  • CAS registry number
    CAS registry number
    CAS Registry Numbersare unique numerical identifiers assigned by the "Chemical Abstracts Service" toevery chemical described in the...
    
    , unique numerical identifiers for chemical substances
• Cognitive Assessment System
  Cognitive Assessment System
  The Das-Naglieri Cognitive Assessment System test is a test given to school children to assess their cognitive strengths and weaknesses.- History :...
  
  , an academic assessment test given to children
• Complete active space
  Complete active space
  In quantum chemistry, a complete active space is a type of classification of molecular orbitals. Spatial orbitals are classified as belonging to three classes:* core, always hold two electrons* active, partially occupied orbitals...
  
  , in quantum chemistry, a type of classification for the molecular orbitals
• Complex adaptive system
  Complex adaptive system
  Complex adaptive systems are special cases of complex systems. They are complex in that they are dynamic networks of interactions and relationships not aggregations of static entities...
  
  , special cases of complex systems
• Computer assisted surgery
  Computer assisted surgery
  Computer assisted surgery represents a surgical concept and set of methods, that use computer technology for presurgical planning, and for guiding or performing surgical interventions...
  
  , use computer technology in surgery
• Hartley kernel
  Hartley transform
  In mathematics, the Hartley transform is an integral transform closely related to the Fourier transform, but which transforms real-valued functions to real-valued functions. It was proposed as an alternative to the Fourier transform by R. V. L. Hartley in 1942, and is one of many known...
  
  , which also is known as the cosine and sine function

Entertainment and sports

• Classic Arts Showcase
  Classic Arts Showcase
  Classic Arts Showcase is a television channel in the United States promoting the fine arts. The television program content includes prepared media and recorded live performances...
  
  , an American television channel promoting the fine arts
• Court and Spark
  Court and Spark
  Court and Spark is the sixth studio album by Canadian singer-songwriter Joni Mitchell. Released in January 1974, the album saw Mitchell infusing her folk-rock style, which she developed throughout her previous five albums, with jazz inflections...
  
  , an album by Canadian folk singer/songwriter Joni Mitchell
• Cowboy action shooting
  Cowboy action shooting
  Cowboy Action Shooting , also known as Western Action Shooting or Single Action Shooting, is a competitive shooting sport that originated in California, USA, in the early 1980s...
  
  , a competitive shooting sport
• Create-a-Sim, part of The Sims (series)
  The Sims (series)
  The Sims is a video game series developed by Maxis and later by The Sims Studio, and published by Electronic Arts. It is one of the most successful video games series of all time...
  
   games where one creates playable characters
• Create-a-Superstar, a creation mode in WWE (video game series)

Military

• Chief of the Air Staff (disambiguation), in some Commonwealth nations, the professional head of the air force
• Close air support
  Close air support
  In military tactics, close air support is defined as air action by fixed or rotary winged aircraft against hostile targets that are close to friendly forces, and which requires detailed integration of each air mission with fire and movement of these forces.The determining factor for CAS is...
  
  , a military tactic whereby aircraft are in close proximity to friendly forces
• Combat armor suit, a specialized suit that provides powered armor
• Cost Accounting Standards
  Cost Accounting Standards
  Cost Accounting Standards are a set of 19 standards and rules promulgated by the United States Government for use in determining costs on negotiated procurements...
  
  , accounting requirements for larger defense and government contractors (United States)

Aerospace

• Calibrated airspeed
  Calibrated airspeed
  Calibrated airspeed is the speed shown by a conventional airspeed indicator after correction for instrument error and position error. Most civilian EFIS displays also show CAS...
  
  , the airspeed shown by an airspeed indicator
• Covenant Aviation Security
  Covenant Aviation Security
  Covenant Aviation Security, LLC is a Chicago, Illinois, company that provides security services to the aviation industry. Gerald L. Berry has been its President since October 2002.-Activities:...
  
  , LLC, a company that provides security services to the aviation industry
• Crew Alerting System, the cockpit computer that issues system warnings to pilots

Other

• Canadian Aboriginal Syllabics
  Canadian Aboriginal Syllabics
  Canadian Aboriginal syllabic writing, or simply syllabics, is a family of abugidas used to write a number of Aboriginal Canadian languages of the Algonquian, Inuit, and Athabaskan language families....
  
  , characters used to write Algonquian, Inuit, and Athabaskan languages
• Castleford
  Castleford
  Castleford is the largest of the "five towns" district in the metropolitan borough of the City of Wakefield, in West Yorkshire, England. It is near Pontefract, and has a population of 37,525 according to the 2001 Census, but has seen a rise in recent years and is now around 45-50,000. To the north...
  
  , a common abbreviation for the town in West Yorkshire, UK
• Certificate of Advanced Study
  Certificate of Advanced Study
  A Certificate of Advanced Study , also called a Certificate of Advanced Graduate Study or a Certificate of Advanced Professional Studies , is a post-Master's academic certificate designed for practitioners who seek a continuing education program to enhance their professional development in areas...
  
  , a post-master's academic certificate
• Channel Associated Signaling
  Channel Associated Signaling
  Channel Associated Signaling , also known as per-trunk signaling , 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 its destination. With CAS signaling, this routing information is...
  
   in telecommunications
• Citizens Advice Scotland
  Citizens Advice Bureau
  A Citizens Advice Bureau is one of a network of independent charities throughout the UK that give free, confidential information and advice to help people with their money, legal, consumer and other problems....
  
  , the umbrella organisation for Citizens Advice Bureaux in Scotland
• Cloud Appreciation Society
  Cloud Appreciation Society
  The Cloud Appreciation Society is a society founded by Gavin Pretor-Pinney from the United Kingdom in January 2005. The society aims to foster understanding and appreciation of clouds, and has over 22,000 members worldwide from 83 different countries, as of July 2010.Yahoo named the society's...
  
  , a group that promotes understanding and appreciation of clouds
• Crank Angle Sensor, a component used in an internal combustion engine
• Creativity, action, service
  Creativity, Action, Service
  Creativity, action, service is a mandatory core component of the IB Diploma Programme. It aims to provide a 'counterbalance' to the academic rigour of the educational programme. Before the 2010 examination there was a 150 hour requirement, with an approximately equal distribution of creativity,...
  
  , the community service aspect of the International Baccalaureate Diploma Programme