| sort results: alphabetical | rank ? |
| Rank | Abbr. | Meaning | |
|---|
| ****** | AC | Access Card | |
| ****** | AC | Atlantic City | |
| ****** | AC | Alice Cooper (musician) | |
| ****** | AC | Access Control | |
| ****** | AC | Air Canada (airline code) | |
| ****** | AC | Annual Conference (Church of the Brethren) | |
| ****** | AC | All Clear | |
| ****** | AC | Adult Contemporary (radio format) | |
| ****** | AC | American College | |
| ****** | AC | Associated Content (Yahoo) | |
| ****** | AC | Advisory Circular (aviation) | |
| ****** | AC | Audio Codec | |
| ****** | AC | Area Code | |
| ****** | AC | Athletic Club | |
| ****** | AC | Apple Computer | |
| ****** | AC | Academic Institution (DNS zone for UK academic institutions; as in .ac.uk) | |
| ****** | AC | Ace Combat (video games 1-5) | |
| ****** | AC | Accept (ITU-T) | |
| ****** | AC | Aircraft | |
| ****** | AC | Alternating Current (electricity; physics) | |
| ****** | AC | Advisory Committee | |
| ****** | AC | Advanced Computing | |
| ****** | AC | Air Compressor | |
| ****** | AC | Age Concern (UK) | |
| ****** | AC | Anderson Cooper (news correspondent) | |
| ****** | AC | Animal Control | |
| ****** | AC | Antigua | |
| ****** | AC | AutoCAD | |
| ****** | AC | Actual Cost | |
| ****** | AC | Animal Crossing (video game) | |
| ****** | AC | Advent Children (movie sequel to Final Fantasy VII game) | |
| ****** | AC | Acceptance Criteria | |
| ****** | AC | After Coupon | |
| ****** | AC | Automobile Club | |
| ****** | AC | Associazione Calcio (Italian: soccer club) | |
| ****** | AC | Aberdeen College | |
| ****** | AC | Atomic Clock | |
| ****** | AC | Account Code (Sprint BCS-29) | |
| ****** | AC | Assistant Coach | |
| ****** | AC | Armored Core (video game) | |
| ****** | AC | Account Current | |
| ****** | AC | Adapter Card (FS-1037c) | |
| ****** | AC | Air-Cooled | |
| ****** | AC | Acute | |
| ****** | AC | Analytical Chemistry | |
| ****** | AC | Active Component | |
| ****** | AC | Australian Capital Territory | |
| ****** | AC | African Caribbean | |
| ****** | AC | Army Corps | |
| ****** | AC | Amherst College | |
| ****** | AC | Auxiliary Contact | |
| ****** | AC | Acceleration (Front Page Sports Football '95 et al) | |
| ****** | AC | Air Cargo | |
| ****** | AC | Acre (state of Brazil) | |
| ****** | AC | Authentication Code (telecommunications) | |
| ****** | AC | Assassin's Creed (videogame) | |
| ****** | AC | Air Carrier | |
| ****** | AC | Aircraft Carrier | |
| ****** | AC | Aachen (Germany) | |
| ****** | AC | Accountancy | |
| ****** | AC | Arm Chair | |
| ****** | AC | Anonymous Coward (Slashdot) | |
| ****** | AC | Axiom of Choice (math) | |
| ****** | AC | Air Combat (game) | |
| ****** | AC | Ascension Island (top level domain) | |
| ****** | AC | Alameda County | |
| ****** | AC | Assembly Complete | |
| ****** | AC | Alan Cox (Linux kernel hacker) | |
| ****** | AC | Access Category | |
| ****** | AC | Atmospheric Chemistry | |
| ****** | AC | Arc Consistency (constraint programming AI research) | |
| ****** | AC | Allis Chalmers (manufacturer of agriculture and industrial equipment) | |
| ****** | AC | Asheron's Call (game) | |
| ****** | AC | Accounting Clerk | |
| ****** | AC | Area of Concern (school grading system) | |
| ****** | AC | Adjacent Channel | |
| ****** | AC | Asphalt Concrete | |
| ****** | AC | Air Corps | |
| ****** | AC | Application Context | |
| ****** | AC | Anterior Chamber | |
| ****** | AC | Activated Charcoal | |
| ****** | AC | Adjudicator | |
| ****** | AC | Account Control | |
| ****** | AC | Asociación Civil (Spanish: Civil Partnership) | |
| ****** | AC | Arithmetic Coding | |
| ****** | AC | Association for Coaching (London, UK) | |
| ****** | AC | Applied Cryptography (book) | |
| ****** | AC | Administrative Control | |
| ****** | AC | Action Code | |
| ****** | AC | Air Controller | |
| ****** | AC | Access Channel | |
| ****** | AC | Aero Club | |
| ****** | AC | Actinium | |
| ****** | AC | Action for Change (Mauretania) | |
| ****** | AC | Air Curtain | |
| ****** | AC | Appeals Council (Social Security) | |
| ****** | AC | Autocheck | |
| ****** | AC | Apple Cider | |
| ****** | AC | Analog Computer | |
| ****** | AC | Air Traffic Controller (USN Rating) | |
| ****** | AC | Air Change | |
| ***** | AC | Acoustic Coupler | |
| ***** | AC | Aleister Crowley (novelist) | |
| ***** | AC | Assistant Commissioner | |
| ***** | AC | Allied Command | |
| ***** | AC | Autonomic Computing | |
| ***** | AC | Angelina College | |
| ***** | AC | Adenylate Cyclase | |
| ***** | AC | Affinity Chromatography | |
| ***** | AC | Anglican Communion | |
| ***** | AC | Aircraft Commander | |
| ***** | AC | Aquatic Center | |
| ***** | AC | Alpha Centauri (game) | |
| ***** | AC | After Class | |
| ***** | AC | Asphalt Cement | |
| ***** | AC | Advent Christian | |
| ***** | AC | Academic Complex | |
| ***** | AC | Anthrocon (anthropomorphics convention) | |
| ***** | AC | Advocacy Center | |
| ***** | AC | Auto Clicker (gaming) | |
| ***** | AC | Acromioclavicular (shoulder joint) | |
| ***** | AC | Association Class | |
| ***** | AC | Alignment Check | |
| ***** | AC | Assistant Camera (film production) | |
| ***** | AC | Anderson College (South Carolina) | |
| ***** | AC | Albion College (Albion, MI) | |
| ***** | AC | Anti Christ | |
| ***** | AC | Area Coordinator | |
| ***** | AC | Armor Class | |
| ***** | AC | Alcohol Concentration | |
| ***** | AC | Akademikernes Centralorganisation | |
| ***** | AC | Andersen Consulting | |
| ***** | AC | Augustana College (ELCA college, Sioux Falls, SD) | |
| ***** | AC | Armored Cable (electricity) | |
| ***** | AC | Advanced CMos | |
| ***** | AC | Absorption Chiller | |
| ***** | AC | Asbestos Cement | |
| ***** | AC | Altocumulus (cloud formation) | |
| ***** | AC | Amount Claimed | |
| ***** | AC | Air Commodore | |
| ***** | AC | Agir Ensemble Contre le Chômage (Paris, France) | |
| ***** | AC | Allergic Conjunctivitis | |
| ***** | AC | After Christ | |
| ***** | AC | Asphalt Content | |
| ***** | AC | Antecubital | |
| ***** | Ac | Acetyl Group (chemistry) | |
| ***** | AC | Assist Control (ventilation) | |
| ***** | AC | Automatic Computer | |
| ***** | AC | Asotin County (Washington) | |
| ***** | AC | Alicyclic | |
| ***** | AC | Autocannon | |
| ***** | AC | Actual Count | |
| ***** | AC | Automation Company | |
| ***** | AC | Auto Carrier (chassis supplier of original Cobra roadster) | |
| ***** | AC | Admirals Club | |
| ***** | AC | Asynchronous Communications | |
| ***** | AC | Air Cadets | |
| ***** | AC | Attenuation Correction | |
| ***** | AC | Air Conduction | |
| ***** | AC | Antioch College (Yellow Springs, OH) | |
| ***** | AC | Anthony Carter (ex-NFL player) | |
| ***** | AC | Alternative Certification (teaching) | |
| ***** | AC | Appeal Cases | |
| ***** | AC | Auxiliary Circuit | |
| **** | AC | Associate Commissioner | |
| **** | AC | Arc Cutting | |
| **** | AC | Acquisition Center | |
| **** | AC | Access Customer | |
| **** | AC | Acción Ciudadana (Spanish: citizen action; Guatemala) | |
| **** | AC | Anno Christi (Latin: In the Year of Christ; epigraphy) | |
| **** | AC | Area Commander | |
| **** | AC | Agent Code | |
| **** | AC | Aircraftman | |
| **** | AC | Aylesbury College (Aylesbury, Buckinghamshire, UK) | |
| **** | AC | Abdominal Circumference (measure of fetal growth in pregnancy) | |
| **** | AC | Assistant Chef | |
| **** | AC | Arret Cardiaque | |
| **** | AC | After Colony | |
| **** | AC | After Colony (Gundam Wing animated series) | |
| **** | AC | Attribute Certificate | |
| **** | AC | Added Copy (libraries) | |
| **** | AC | Asbury College (Kentucky, USA) | |
| **** | AC | Association Control | |
| **** | AC | Ambassador College | |
| **** | AC | Adoptionscentrum (Sweden) | |
| **** | AC | Ascension Islands (ISO country code) | |
| **** | AC | Angel Crew (band) | |
| **** | AC | Airspace Control | |
| **** | AC | Advance Construction | |
| **** | AC | Ante Christum (Latin: Before Christ) | |
| **** | AC | Atlas Centaur (US intermediate class expendable launch vehicle) | |
| **** | AC | Astrographic Catalogue | |
| **** | AC | Authentication Center | |
| **** | AC | Army Component | |
| **** | AC | Appellation Contrôlée (beverages) | |
| **** | AC | American Choppers (TV series) | |
| **** | AC | Attachment Circuit | |
| **** | AC | Antenna Controller | |
| **** | AC | Access Concentrators | |
| **** | AC | Advanced Challenge (activity, Camp Yawgoog, BSA) | |
| Note: We have 243 other definitions for AC in our Acronym Attic |