Act

Act or ACT may refer to:

Arts and entertainment

• Acting, action of an actor in a theatrical performance
• Act (drama), a segment of a performance, such as a play or opera
• Musical act, an individual or a group of musicians that are recognized as a unit
• Act (band), a British band
• A.C.T, a progressive rock band from Sweden
• ACT Music, a German, Munich-based music label which was founded in 1992
• ACT Theatre, in Seattle, Washington
• American Conservatory Theater, in San Francisco, California
• Acts, a 2012 album by American band RNDM
• A. C. Tirulokchandar, an Indian director

Businesses and organisations

Businesses

• AdaCore, formerly Ada Core Technologies, a software company that develops an Ada compiler, tools and libraries
• Advanced Cell Technology, a biotech corporation involved in researching and developing cloning and stem cell technologies
• Advanced Computer Techniques, a U.S. software and consulting company from 1962–1994
• Apricot Computers, known as Applied Computer Techniques until 1985, a computer services company
• Association for Competitive Technology, a technology lobby group
• Atria Convergence Technologies, a telecommunications company in India
• Aviation Composite Technology, an aircraft manufacturer in the Philippines

Educational institutions

• Asian College of Technology, a private college in the Philippines
• Australian College of Theology
• United Education Institute or Advanced Career Training, a private post-secondary educational facility with locations in Georgia and Florida
• ACT (nonprofit organization)
  • ACT (test), a standardized test to assess high school students' academic achievement and college readiness administered by the organization

Government and military

• Advanced Concepts Team, a research team of the European Space Agency
• Agency for Community Transit, Madison County Transit's paratransit system
• Allied Command Transformation, a NATO strategic command
• Azienda comunale del traffico, a former transport operator in Lugano, Switzerland

Professional associations

• Academy of Clinical Thyroidologists
• American College of Toxicology, a professional organization in the field of toxicology
• Association for Citizenship Teaching, a professional subject association for teachers of citizenship
• Association of Cinematograph Television and Allied Technicians, formerly the Association of Cinematograph Technicians
• Association for Contract Textiles
• Association of Corporate Treasurers

Sports organizations

• Australia national cricket team
• American Canadian Tour, a race organisation

Other organizations

• ACT Alberta, a Canadian coalition to raise awareness about human trafficking
• ACT Alliance, an alliance of churches for coordinating humanitarian assistance and development work
• ACT New Zealand, a political party in New Zealand
• Action for Children's Television, an organization dedicated to improvements in children's television
• Addenbrooke's Charitable Trust
• The Association of Commercial Television in Europe, a group which represents the business interests of the commercial television sector at the EU institutions
• Alliance for Change and Transparency, a political party in Tanzania
• Alliance of Concerned Teachers, an alliance of teachers, educators and teacher organizations in the Philippines
• Amazon Conservation Team, a non-profit organization that works in partnership with indigenous people to protect the Amazon rainforest
• America Coming Together, a US political group
• Anglican Church in Thailand
• Associated Container Transport (ACT) a consortium of five British shipping companies - Ben Line, Blue Star Line, Cunard (Port Line), Ellerman Lines and the Harrison Line
• ACT! for America, a hate group

Law

• Act (document), a document recording the legality of a transaction or contract
• Acting (law) refers to someone temporarily exercising the powers of a vacant position
• Act of Parliament, Act of Congress, or Act of Tynwald, a statute or law passed by a legislature
• Advance corporation tax, a tax collected in the UK until 1999

Places

• Ascot railway station, a railway station in the UK with the National Rail code "ACT"
• Waco Regional Airport, an airport in Waco, Texas, US, with the IATA airport code "ACT"
• Australian Capital Territory, the federal district of the Commonwealth of Australia

Philosophy

• Act in philosophy is a verifiable (actual) form in Aristotle's Theory of Potentiality and actuality, or "Act and Potency"; e.g., since the material, water in the fluid state, is potentially steam, it has a hidden but real potency for steam, of which the live, perceptible steam is the act, or completed form, in the generation of steam by boiling water

Science, technology, and mathematics

Computing

• ACT-R, a symbolic cognitive architecture
• Apple Certified Trainer, one of the Apple certification programs
• ACT (NASDAQ), Automated Confirmation of Transactions, a trade reporting and clearing system
• Act! CRM, Contact Management and CRM software

Medicine

• Acceptance and commitment therapy, a type of cognitive-behavioral therapy
• Acetylcholine, (ACt/ACh) a neurotransmitter
• Activated clotting time
• Adoptive cell transfer, transfer of cells into a patient, usually immune system cells
• Artemisinin based combination therapy, a treatment for malaria
• Assertive community treatment, a system for treating mental illness

Other uses in science, technology, and mathematics

• Act or S-act, the action of a monoid on a set, or a semiautomaton
• ACT (audio format), a file format
• Ford ACT, a people mover, short for Automatically Controlled Transportation or Activity Center Transit
• Actinolite, an amphibole silicate mineral
• Active voice or Actor role, in linguistics and pedagogy, in interlinear glossing
• Astrographic Catalog/Tycho, a star catalogue; see Hipparcos Catalogue
• Atacama Cosmology Telescope, a telescope in Chile

Other uses

• ACT (test), a college placement exam in the US
• ACT mouthwash, produced by Chattem
• Act or Acts, an obsolete name for the defence of theses at the University of Oxford and University of Cambridge
• Acting (rank), in the military when someone assumes a higher rank temporarily
• Achterhooks (ISO 639-3 language code ACT)

See also

• ACTS (disambiguation)
• Acts of the Apostles, a book of the Christian New Testament, often called "Acts"
• ACTE (disambiguation)