1. American College Testing (ACT)

Description: American College Testing (ACT) is a standardized college admissions test widely used in the United States to assess high school students’ readiness for college-level coursework. The ACT exam measures proficiency in English, mathematics, reading, and science reasoning, along with an optional writing section, providing colleges and universities with insights into students’ academic skills and college readiness.

2. Automated Clearinghouse Transaction (ACT)

Description: Automated Clearinghouse Transaction (ACT) is an electronic banking transaction processed through the Automated Clearing House (ACH) network for the transfer of funds between financial institutions and accounts. ACT transactions include direct deposits, electronic bill payments, and recurring transfers, offering a convenient and efficient method for businesses and individuals to manage their finances.

3. Acceptance and Commitment Therapy (ACT)

Description: Acceptance and Commitment Therapy (ACT) is a form of cognitive-behavioral psychotherapy that emphasizes mindfulness, acceptance, and behavioral change strategies to help individuals overcome psychological distress, manage negative thoughts and emotions, and pursue meaningful life goals. ACT techniques include mindfulness meditation, cognitive defusion, and values clarification exercises.

4. Australian Capital Territory (ACT)

Description: Australian Capital Territory (ACT) is a federal territory and administrative region in southeastern Australia, home to the national capital, Canberra. The ACT is governed by its own Legislative Assembly and Chief Minister, serving as the seat of the Australian government and hosting key national institutions, government offices, and diplomatic missions.

5. Action for Children’s Television (ACT)

Description: Action for Children’s Television (ACT) is a nonprofit advocacy organization founded in the United States dedicated to promoting quality children’s programming, media literacy, and responsible broadcasting practices. ACT advocates for educational and non-commercial content for children, monitors media industry practices, and engages in policy advocacy to support children’s media rights.

6. Advanced Combat Tracker (ACT)

Description: Advanced Combat Tracker (ACT) is a computer program or combat logging tool commonly used by players of massively multiplayer online role-playing games (MMORPGs) to analyze and track combat performance, damage output, and player statistics during gameplay. ACT plugins and addons provide real-time combat data and performance metrics for optimizing gameplay strategies.

7. American Council of Trustees and Alumni (ACT)

Description: American Council of Trustees and Alumni (ACT) is a nonprofit organization in the United States dedicated to promoting academic freedom, excellence, and accountability in higher education through advocacy, research, and public education initiatives. ACT monitors college and university governance, curriculum quality, and intellectual diversity, advocating for rigorous academic standards and reforms.

8. Assertive Community Treatment (ACT)

Description: Assertive Community Treatment (ACT) is a comprehensive mental health service delivery model designed to provide intensive, community-based support and treatment for individuals with severe mental illnesses, such as schizophrenia or bipolar disorder. ACT teams offer integrated services, including psychiatric care, case management, housing assistance, and rehabilitation, to promote recovery and community integration.

9. Air Cargo Transportation (ACT)

Description: Air Cargo Transportation (ACT) refers to the movement and shipment of goods, merchandise, or freight by air transport services, including commercial airlines, cargo carriers, and air freight companies. ACT plays a crucial role in global trade and logistics, offering fast transit times, secure handling, and expedited delivery for time-sensitive or high-value shipments.

10. Adaptive Control Technology (ACT)

Description: Adaptive Control Technology (ACT) is a control system methodology or engineering approach that utilizes feedback mechanisms, algorithms, and adaptive algorithms to adjust control parameters and response strategies based on real-time feedback and environmental conditions. ACT systems are used in various applications, including industrial automation, robotics, and autonomous vehicles, to improve performance and adaptability.

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Other 20 Meanings of ACT

Meaning	Description
Active Communication Technology (ACT)	Active Communication Technology (ACT) is a term used in telecommunications to describe advanced communication systems, devices, or protocols that enable real-time, interactive, and dynamic communication between users, such as voice-over-IP (VoIP), instant messaging, video conferencing, and social media platforms, facilitating collaborative and multimedia communication.
Animal Care Technician (ACT)	Animal Care Technician (ACT) is a professional responsible for providing care, support, and medical assistance to animals in research facilities, veterinary clinics, zoos, or animal shelters, ensuring the well-being, health, and welfare of animals through feeding, grooming, medical treatment, and enrichment activities, following ethical and regulatory standards.
Anticoagulant Therapy (ACT)	Anticoagulant Therapy (ACT) is a medical treatment involving the administration of anticoagulant drugs or medications to prevent blood clot formation or thrombosis, reducing the risk of stroke, heart attack, or pulmonary embolism in patients with cardiovascular diseases, atrial fibrillation, or venous thromboembolism, under medical supervision and monitoring.
Advisory Committee on Transparency (ACT)	Advisory Committee on Transparency (ACT) is a consultative body or panel established by governmental agencies, regulatory authorities, or international organizations to provide expert advice, recommendations, and oversight on issues related to transparency, accountability, and governance in public policy-making, regulatory processes, and decision-making forums.
Air Combat Training (ACT)	Air Combat Training (ACT) is a military training program or exercise conducted by air forces and aviation units to enhance pilot skills, tactics, and proficiency in aerial combat, dogfighting maneuvers, and air-to-air engagements, using simulated combat scenarios, flight simulators, and live training exercises to improve combat readiness and operational effectiveness.
Arts Council of Tamworth (ACT)	Arts Council of Tamworth (ACT) is a nonprofit arts organization or cultural council based in Tamworth, New South Wales, Australia, dedicated to promoting and supporting the arts, culture, and creative industries in the local community through arts programs, events, festivals, grants, and arts advocacy initiatives, fostering artistic expression and community engagement.
Automated Container Terminal (ACT)	Automated Container Terminal (ACT) is a seaport or maritime terminal equipped with automated cargo handling equipment, robotics, and computerized systems to efficiently load, unload, and transfer shipping containers between vessels, trucks, and storage areas, optimizing terminal operations, reducing turnaround times, and enhancing port productivity and capacity.
Air Cargo Transport (ACT)	Air Cargo Transport (ACT) is the transportation of goods, products, or commodities by airfreight carriers, airlines, or cargo operators using dedicated cargo aircraft or passenger planes with cargo capacity.