List of Acronyms and Initialisms: A - AC

AC

  • aC – (s) Attocoulomb
  • Ac – (s) Actinium
  • AC
    • (i) Adriamycin-Cyclophosphamide (chemotherapy)
    • Air Conditioning
    • Aircraftman
    • Alternating Current
    • Altocumulus
    • ante Christum (Latin, "before Christ"; see BC)
    • ante cibum (Latin, "before meals")
    • (s) Antigua and Barbuda (FIPS 10-4 country code)
    • (i) Associazione Calcio (Italian, "football (soccer) club")
  • A/C – (i) Air Conditioned/Conditioning – Aircraft
  • AC1 – Aircraftman 1st Class
  • AC2 – Aircraftman 2nd Class
  • ACA
    • (i) Airspace Control Authority
    • Airspace Co-ordination Area
    • A Current Affair
  • ACARS – (a) Aircraft Communications Addressing and Reporting System
  • ACAS
    • (a) Aboriginal Children's Advancement Society
    • Advisory, Conciliation and Arbitration Service
  • ACB – (i) Asociación de Clubes de Baloncesto (Spanish for "Association of Basketball Clubs")
  • ACC
    • (i) U.S. Air Combat Command
    • Air Component Commander
    • Alpine Club of Canada
    • Altocumulus castellanus
    • Area Control Center
    • Atlantic Coast Conference
    • Automatic Climate Control
  • ACCA
    • (i) The Association of Chartered Certified Accountants
    • Automatic Cloud Cover Assessment
  • ACCAC – (a) Awdurdod Cymwysterau, Cwricwlwm ac Asesu Cymru (Qualifications, Curriculum and Assessment Authority for Wales)
  • ACCD – American Coalition of Citizens with Disabilities
  • ACCS – (i) Air Communications and Control Squadron
  • ACDA – (i) Arms Control & Disarmament Agency
  • ACDC
    • (i) Alternating Current Direct Current
    • the name of an Australian rock music band
    • a term for a bisexual person
  • A/Cdre – Air Commodore
  • ACDT
    • (a) Apple Certified Desktop Technician
    • (a) Australian Central Daylight Time
  • ACE
    • (a) Air Combat Emulator (computer game)
    • Allied Command Europe
    • Armored Combat Earthmover
    • Automatic Computing Engine
  • ACES
    • (a) Aerolíneas Centrales de Colombia (Spanish, "Central Colombian Airlines")
    • Auxiliary Campus Enterprises and Services of Alfred State College
  • ACF
    • (i) Administration for Children and Families
    • American Car and Foundry
    • American Culinary Federation
  • ACHT – (i) Average Call Hold Time
  • ACID – (a) Atomicity, Consistency, Isolation, and Durability (in databases)
  • ACINT – (p) Acoustic Intelligence
  • ACK – (p) Acknowledge (telecommunications; cf. NAK)
  • ACL
    • (i) Access Control List
    • Anterior cruciate ligament; the initialism can also refer to an injury to this ligament.
    • Atlantic Coast Line Railroad
  • ACLJ – (i) American Center for Law and Justice
  • ACLOS – (i) Automatic CLOS (missile control system)
  • ACLS – (i) American Council of Learned Societies
  • ACLU
    • (i) American Civil Liberties Union
    • American Communist Lawyers Union (pejorative slang for the above)
  • ACM – many, including Association for Computing Machinery; see entry
  • ACMC – (i) (U.S.) Assistant Commandant of the Marine Corps
  • ACN
    • (i) Airborne Communications Node
    • Australian Company Number (number issued by the Australian government as registration of a limited liability company)
  • ACNA – (i) Anglican Church in North America
  • ACO – (i) Airspace Control Order
  • ACOBA – (a) Advisory Committee on Business Appointments
  • ACOG – (a) American College of Obstetricians and Gynecologists
  • ACOM – (p) (U.S.) Atlantic Command
  • ACORN – (a) Association of Community Organizations for Reform Now
  • ACP
    • (i) African, Caribbean and Pacific Group of States
    • Air Control Point
  • ACR – (i) Advanced Concepts and Requirements
  • ACRI – (p) African Crisis Initiative
  • ACRT – (i) Advanced Concepts Research Tool simulator
  • ACS
    • (i) Affiliated Computer Services (NYSE ACS)
    • Alaska Communications Service
    • American Cancer Society
    • American Chemical Society
    • Association of Caribbean States
    • Australian Computer Society
  • ACSC – (i) Army Command and Staff College (various nations)
  • ACST – (i) Australian Central Standard Time
  • ACST – (i) American Cooperative School of Tunis
  • ACT
    • (i) Adaptive Control of Thought (cognitive model)
    • American College Test (ing Program)
    • Australian Capital Territory (also postal symbol)
  • ACT UP – (a) AIDS Coalition to Unleash Power
  • ACTD – (i) Advanced Concept Technology Demonstration
  • ACTF
    • (i) (U.S.) Army Constructive Training Federation
    • Australian Children's Television Foundation
  • ACT-R – (i) ACT-Rational (cognitive model)
  • ACT-R/PM – (i) ACT-R/Perceptual-Motor (cognitive model)
  • ACTU – (i) Australian Council of Trade Unions
  • ACU – (a) American Conservative Union
  • ACUF
    • (i) BGN Advisory Committee on Undersea Features
    • (a) American Conservative Union Foundation
  • ACV – (i) Armoured Combat Vehicle

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