What does Ac stand for?

Academy (SAUO)

Acceptance Number - Business term

Accident

Accursius - Deceased, 1263 - Authority cited in pre-1607 legal work (DSA)

Acetl

Acryl Group - Organic chemistry (DAVI)

Actinium - Chemical element

Acts of the Apostles - New Testament book (BJA)

Acute - Medicine (BCRP)

Acyl - Organic chemistry

accord (SAUS)

Acetyl - As substituent on nucleoside - Biochemistry

Acmite - CIPW classification - Geology

Acromioclavicular (SAUS)

Aerodynamic Center (IDOE)

Air Changes - Industrial hygiene term (OHS)

Air-Cool (ADWA)

Alicyclic - Chemistry

All Colors (SAUS)

Alternating Current (IDOE)

Anticorrosive (SAUS)

Ashmore and Cartier Islands - at (Australia) used in records cataloged after January 1978 - MARC country of publication code - Library of Congress (LCCP)

Asia, Central - MARC geographic area code - Library of Congress (LCCP)

Attitude Control (IDOE)

Automatic Computer (IDOE)

Before Meals - Medicine (BCRP)

Aachen - German license plate city code

Abdominal Circumference - Neonatology and pediatrics (DAVI)

Able Chief (MCD)

Aboce Clouds (SAUS)

Absence Card (SAUS)

Absolute Ceiling - Aviation

Absolute Code (SAUS)

Absolute Coding - Computer science (ELAL)

Absolute Convergence (SAUS)

Absolute Counter (SAUS)

Absorber Circuit (SAUS)

Absorption Capacity (SAUS)

Absorption Circuit (ELAL)

Absorption Coefficient (ELAL)

Absorption Coil (SAUS)

Absorption Control (ELAL)

Absorption Current (ELAL)

Abstract Code (SAUS)

Abstract Computer (SAUS)

Abuse Case - Medicine (EDAA)

Academic Committee - University College London

A.C. Cars Ltd. (SAUO)

Acceded to Throne (ROG)

Acceleration Command

Accelerator (AAG)

Acceptance Criteria - Automotive emissions

Accept Command/Control (VLIE)

Accepted (ROG)

Acceptor Circuit (ELAL)

Accept Session - Open Systems Interconnection (ODAA)

Access - Telecommunications (TEL)

Access Coding (SAUS)

Access Connections (TELEC)

Access Control (SAA)

Access Cycle (IAA)

Accessory Cells - Histology

Accommodation Convergence - Ophthalmology

Accommodative Convergence (SAUS)

Account

Accountants and Controllers

Account Card (SAUS)

Account Code (SAUS)

Account Control (AFM)

Account Current (FOTI)

Accounting Calculation (SAUS)

Accounting Card (SAUS)

Accounting Carriage (SAUS)

Accounting Computer (IAA)

Accounting Program - Association of Independent Colleges and Schools specialization code

Accredited Center - Youth Training Scheme - British (AIE)

Accumulating Counter (SAUS)

Accumulator - Computer science

Accumulator Contents (SAUS)

Accuracy Check (SAUS)

Acetate - Also, ACTT - Organic chemistry

Acetic Acid - Organic chemistry (OA)

Acetylcholine - Biochemistry (IIA)

Acetylcysteine - Biochemistry (AAMN)

A. Christiaens - Belgium - Research code symbol

Acid (AAMN)

Acid Concentrator (SAUS)

Acidified Complement - Medicine (EDAA)

Acidus - Acid - Latin (ROG)

Acme-Cleveland Corporation (EFIS)

Acoustical - Technical drawings

Acoustic Clarifier (ELAL)

Acoustic Compliance (ELAL)

Acoustic Coupler - Computer MODEM

Acquisition Circular (AAGC)

Acquisition Command - Army

Acquisition Corps - Army

Acquisition Costs

Acre

Acromioclavicular - Joint - Medicine (DHSM)

Acrylic Council (NTPA)

Acryloid - Fuels and lubricants

Acting (ROG)

Action Civile - Civil Action - French (ILCA)

Action Code (SAUS)

Action for Change - Political party (PSAP)

Activated Carbon

Activated Charcoal - Medicine (DB)

Activation Coefficient

Activator - Genetics

Active Capital - Investment term

Active Circuit (ELAL)

Active Cirrhosis - Medicine

Active Component

Active Computer (ELAL)

Active Concentration (SAUS)

Active Current (ELAL)

Activity (WDAA)

Activity Captain (MCD)

Activity Code - DoD

Actual Commitment (EPAT)

Actual Cost - Accounting

Actual Count (MHDI)

Actuarial Science (FOTI)

Acupuncture Clinic - British

Acute - Medicine

Acute Cholecystitis - Medicine (MELL)

Adapted Child - Psychology (DHP)

Adapter Cable

Adapter Cluster (SAUS)

Adaptive Communication (ELAL)

Adaptive Control - Manufacturing term

Adbominal Compression - Medicine (MELL)

Add Carry (SAUS)

Adder Carry (SAUS)

Adder Circuit (SAUS)

Adding Circuit (SAUS)

Adding Counter (SAUS)

Additional Claim - Unemployment insurance (OICC)

Additional Code (SAUS)

Addressable Clock (SAUS)

Address Card (SAUS)

Address Carry - Computer science (IAA)

Address Chain (SAUS)

Address Character (SAUS)

Address Characters - Computer science (ELAL)

Address Coding - Business term

Address Comparing (SAUS)

Address Computation - Computer science (ELAL)

Address Counter - Computer science (MHDI)

Addressed Core (SAUS)

Adelbert College (SAUO)

Adelphi College (SAUO)

Aden Colony (SAUS)

Adenocarcinoma - Medicine (DB)

Adenylate Cyclase - An enzyme

Adherent Cell (AAMN)

Ad hoc Committee (SAUO)

Adirondac Conference (SAUS)

Adirondack Council (EA)

Adjacent Channel (IAA)

Adjusted Charge (SAUS)

Adjusted Circuit (ELAL)

Adjustment-Calibration

Administration of Correction (SAUO)

Administrative Central (SAUS)

Administrative Office of the US Courts (SAUO)

Admiral Commanding

Admiral's Club - American Airlines' club for frequent flyers - Dallas/Ft. Worth Airport - Texas (EA)

Admiralty Constabulary (SAUO)

Admissions Committee (SAUO)

Adopted Child

Adrenal Cortex - Medicine

Adrenocorticoid - Medicine

Adriamycin, Carmustine - Antineoplastic drug (CDI)

Adriamycin, CCNU - Lomustine - Antineoplastic drug regimen

Adriamycin, Cyclophosphamide - Antineoplastic drug regimen

Adrian College (SAUO)

Adult-Contemporary - Music

Advance Calling (SAUS)

Advanced Certificate (PGP)

Advanced Certification - Canadian Association of Medical Radiation Technologists (ASC)

Adventurers Club - Disney (DIS)

Advertising Council (EA)

Advice of Charge - Telecommunications (TEL)

Advisory Circular

Advisory Circular - A publication (SAUS)

Advisory Committee (NRCH)

Advisory Council (SAUO)

Advisory Council on Scientific Research and Technical Development - British

Aerated Concrete (SAUS)

Aerial Current (IAA)

Aerobatics Canada - Association (EAIO)

Aerodynamics Center - NASA

Aeronautical Approach Chart - Air Force

Aeronautical Center - FAA

Aeronca Club (EA)

Aerospace Center - Defense Mapping Agency

Aerospace Corp. (AAG)

Aerospace Corporation (SAUO)

Aesculapian Club (EA)

Affinity Chromatography - Biopharmaceutical Purification

African Coasters - Steamship (MHDB)

African Communist (SAUO)

After Christ

Aging, Federal Council (OICC)

Agribusiness Council (EA)

Agricultural Department (SAUO)

AIbright College (SAUS)

Aided Card (LAIN)

Aiming Circle (SAUS)

Air Canada - ICAO designator (OAG)

Air Canada Corp. - Vancouver Stock Exchange symbol - Toronto Stock Exchange symbol

Aircarrier (DA)

Air Command (ADA)

Air Component (SAUS)

Air Compressor (AAG)

Air Conditioner - Industrial hygiene term (OHS)

Air Conditioning (KSC)

Air Conditioning Equipment Room - NFPA pre-fire planning symbol (NFPA)

Air Conduction

Air Congo - Zaire

Air Control (SAUS)

Air Controller (NVT)

Air Controlman - Navy rating

Air Cooled (IAA)

Air Corps - Obsolete

Air Council (ADA)

Aircraft - Public-performance tariff class - British

Aircraft Cannon (SAUS)

Aircraft Carrier Flag - Navy - British

Aircraft Commander

Aircraft Control (MUGU)

Aircraftman - British

Aircraftwoman - Military

Air Crew (ACAE)

Aircrewman

Airdrome Control - British (SAA)

Air (force) Component (SAUO)

Airframe Change

Airfreight Container - Shipping (DCTA)

Airport Course - Auto racing

Air Traffic Controller - Military (DOMA)

Airways Control (SAUS)

Airworthiness Certificate (MCD)

Airworthiness Circular (DA)

Airworthiness Committee

Alabama College (SAUO)

Alaska Coalition (EA)

Alaskan Command - Discontinued, 1975 - Military

Alberta Cattle (FOTI)

Albert Champion - Automotive industrialist whose company is now part of General Motors

Albion College (SAUO)

Albright College (SAUO)

Alcohol Concentration (TAG)

Alcuin Club (EAIO)

Alert Condition (SAUS)

Alfalfa Club (EA)

Algebraic Calculation (SAUS)

Algebraic Curve (SAUS)

Algoma Central and Hudson Bay Railway Company (SAUO)

Algoma Central Railroad - Federal Railroad Administration identification code

Algoma Central Railway - AAR code

Algorithm Control (SAUS)

Alien Cell

Alignment Chart (ELAL)

Alkali Cellulose - Chemistry

All Culture - Broth - Biochemistry (DAVI)

Allegheny College (SAUO)

Allens Creek - Nuclear power plant (NRCH)

Allergic Conjunctivitis - Ophthalmology

Alliance Capital Management Holding LP - NYSE symbol

Alliance Capital Management LP - NYSE symbol (SPSG)

Alliance Cap Mgmt L.P. - NYSE symbol

Alliance College (SAUO)

Allied Chemicals (SAUS)

Allied Command (ACAE)

Allied Commission - World War II

Allis-Chalmers Corp.

Allocation Carry (SAUS)

Allocation Counter - Computer science (IAA)

Allowable Cost (OICC)

Allyl Chloride - Organic chemistry

Alma College (SAUO)

Alphabetic Character (SAUS)

Alphabetic Code (SAUS)

Alphabetic Collator (SAUS)

Alphanumeric Character (SAUS)

Alphanumeric Code (or Coding) (SAUS)

Alphanumeric Command (SAUS)

Alpine Club - British

Also Completed (SAUS)

Alteration/Alternate Cancellation (VLIE)

Altered Course (SAUS)

Alternate Call (SAUS)

Alternate Call Listing - Telecommunications (TEL)

Alternate Cancellation (SAUS)

Alternate Code (SAUS)

Alternate Current (SAUS)

Alternating Current

Alternative Certification

Alternator Currency (SAUS)

Altitude Compensator - Automotive engineering

Altocumulus - Cloud - Meteorology

Alveolar Crest - Medicine (MELL)

Alverno College (SAUO)

Alverno College, Milwaukee (SAUS)

Amarillo College (SAUO)

Amat.illo College (SAUS)

Ambassador's Club - TWA's club for frequent flyers (EA)

Ambulance Company (SAUO)

Ambulance Corps (ADA)

American Can Co. (CDAI)

American Cartographer - A publication (GEOI)

American Cause - An association (EA)

American Cheese (IIA)

American Cinematheque - An association

American Conditions - Insurance

Amherst College (SAUO)

Ammonium Citrate - Organic chemistry (OA)

Ammunition Column (SAUS)

Ammunition Corporal (SAUS)

Amniocentesis - Medicine (MELL)

Amniotic Cavity - Medicine (MELL)

Amortized Cost (SAUS)

Amphibian Command (SAUO)

Amphibious Car - British

Amphibious Corps - Marine Corps

Amplitude Comparison

Amygdaloid Complex (PDAA)

Analog Channel (ELAL)

Analog Communications (ELAL)

Analog Computer (AAG)

Analysis Console (MCD)

Analyst Console (SAUS)

Analytical Chemist (SAUS)

Analytic - or Analytical Chemist

Anastomosing Cell (SAUS)

Ancestor Chart - Genealogy (GEAB)

Ancho Canyon (SAUS)

Ancilla College - Formerly, Ancilla Domini College - Donaldson, IN

AND Circuit (SAUS)

And Company - Telegraphy (PCTE)

Anderson College (SAUO)

Andre and Coquelin - Often used as a pattern on clothes designed by Courreges, the initials represent the first names of the couturier and his wife

Andrew College (SAUO)

Anglican Communion

Angling Club (SAUO)

Anisotropic Constant (SAUS)

Annee Courante - Of the Current Year - French

Annhurst College (SAUO)

Anni Currentis - Of the Current Year - Latin (ROG)

Anno Christi - In the Year of Christ - Latin

Anno Corrente - In the Current Year - Latin (ADA)

Annotated Card Program

Annual Conference (ADA)

Annual Cycle of Readings from Torah and Prophets (BJA)

Annulment of Certification

Anodal Closure - Physiology

Anodal Contraction - Physiology

Anode Circuit

Another Copy (ROG)

Answer Center (VLIE)

Answer Complete - Telecommunications (TEL)

Answer Construct

Ante Christum - Before Christ - Latin

Ante Cibum - Before Meals - Pharmacy

Ante-Communion

Antecubital - Anatomy

Antenna Control (ACAE)

Antenna Current (IAA)

Anterior Chamber - Ophthalmology

Anterior Colporrhaphy - Gynecology (CPH)

Anterior Commissure - Neuroanatomy

Anterior Connective - Anatomy

Anterior Cortical - Anatomy

Anterior Cruciate - Ligament - Anatomy (DAVI)

Anthracenecarboxylic Acid - Organic chemistry

Antibiotic Concentrate - Medicine (DMAA)

Anticenter

Anti-Center (or Centre) (SAUS)

Anti-Char (SAUS)

Anticlutter (NATG)

Anticoagulant - or Anticoagulation

Anticoincidence Counter (OA)

Anticomplementary - Immunology

Anti-Concrete (SAUS)

Anticorrosive

Anti-Crime (LAIN)

Anti-Inflammatory Corticoid - Pharmacology (DAVI)

Antioch College (SAUO)

Antiphlogistic-Corticoid - Medicine (AAMN)

Antonio Castro (GEOI)

Aortic Closure - Cardiology

Aperture Card (VLIE)

Apical Cell - Botany

Apophysitis Calcanei (DB)

Apostolic Church

Apothecaries Company (SAUO)

Appalachian Consortium (EA)

Apparent Capacity - Automotive filters

Appeal Cases - Canada - A publication (DLA)

Appeal Court - Legal - British (ROG)

Appeals Council - Social Security Administration (OICC)

Appelate Court (SAUO)

Appellate Court (DLA)

Appendiceal Carcinoids - Medicine (MELL)

Appliance Computer (SAUS)

Appliance Connection - Electric utility company

Application Context (VLIE)

Application Control - or Controller - Computer science (NASA)

Application Controller (SAUS)

Applicaton Coefficient - Hydraulics

Apprenticeship Committee - Department of Labor

Approach Chart

Approach Coupler (SAUS)

Approved Cult

Approximate Calculation (SAUS)

Approximate Computation (SAUS)

Approximation Calculus (SAUS)

Aquinas College (SAUO)

Arcadia College (SAUO)

Arc Consistency (SAUS)

Arc Cutting - Welding

Archaeological Conservancy (EA)

Arch-Chancellor

Architect of the Capitol - US

Archonist Club (EA)

Archons of Colophon (EA)

Arctic Circle

Arcus Co. - NCIC firearms make code (NCIC)

Area Code

Area Commander - British military (DMA)

Area Controller (SAUS)

Area Coordinator (DEMM)

Area Coverage

Arithmetic Computation (SAUS)

Arithmetic Computation Test - Military

Arithmetic Control (SAUS)

Arkansas College - Batesville

Armament Command (SAUS)

Armament Control

Armaments Command - Formerly, Munitions Command - Rock Island, IL - Army

Armaments Committee (SAUO)

Arm Circumference

Armored Cable

Armoured Car - Military - British

Armstrong College (SAUO)

Army Circular - British military (DMA)

Army Co-Operation - British military (DMA)

Army Corps

Army Council (ADA)

Arnold-Chiari - Syndrome - Medicine (DB)

Array Calculation (SAUS)

Art Complete (MCD)

Arthritis Care - An association (EAIO)

Articular Capsule - Medicine (MELL)

Articular Cartilage - Medicine (MELL)

Artillery Clerk (SAUS)

Artillery College (SAUO)

Artillery Controller (NATG)

Artillery Corps (SAUO)

Arts Council (EAIO)

Arts Council of Great Britain (EAIO)

Arts of the Church - A publication

Asbestos Cement - Technical drawings

Asbestos Coordinator (SAUO)

Asbury College (SAUS)

Ascending Colon - Medicine (IDYL)

Ascension Island - Internet country code

Ashbury College (SAUO)

Ashland College (SAUO)

Asian CineVision - Later, ACV - An association (EA)

Asparagus Club (EA)

Aspect Camera (SAUS)

Aspect Card (SAUS)

Asphalt Cement (SAUS)

Asphalt Composition (KSC)

Asphalt Concrete - FHWA (TAG)

Asphalt Content

Asphaltic Concrete

Assembler Code (SAUS)

Assembly Complete (SAUS)

Assessment Center - Business term

Assigned Contractor (SAA)

Assistant Cameraman

Assistant Cashier - Banking

Assistant Censor (SAUS)

Assistant Chief Officer (WDAA)

Assistant Clerk - Navy - British (ROG)

Assistant Commandant - Army/Marine Corps

Assistant Commissioner

Assistant Controller (DCTA)

Assist Control (DAVI)

Assist-Control (SAUS)

Assisted Control (MEDA)

Associate Contractor

- The Associated Clubs (EA)

Associate in Commerce

Association Control (VLIE)

Association of Cosmetologists - Later, ACH (EA)

Assumption College (SAUO)

Astable Circuit (SAUS)

Astronomical Constant

Asynchronous Computer (SAUS)

Athens College (SAUO)

Athletic Club - Usually in combination with proper noun, as, DAC, Detroit Athletic Club

Athletics Canada - Association (EAIO)

Atlanta Constitution (SAUS)

Atlantic Charter

Atlantic Congress

Atlantic Council - Later, ACUS - NATO (NATG)

Atomicity Controller

Atriocarotid - Medicine

Attach Center - Military (IUSS)

Attack Center

Attack Characterization (MCD)

Attack Console

Attention Command (SAUS)

Attenuation Characteristics (SAUS)

Attitude Control - System - Aerospace

Audio Center - Command and Service Module - NASA

Audit Compliance (MCD)

Auditor Camerae - Auditor of the Papal Treasury

Auditory Cortex - Neurology

Augmentation Concentration - Biochemistry

Augusta College (SAUO)

Augustana College (SAUO)

Auricular Chondritis - Medicine (MELL)

Auriculocarotid - Medicine (MAE)

Aurora College (SAUO)

Austin College (SAUO)

Australian Christian - A publication (APTA)

Australian Cruiser (DMA)

Authentication Center (CGWS)

Author Catalogue (ROG)

Authorization and Consent (OICC)

Authorization under Consideration (DCTA)

Author's Correction - Publishing

Autistics and Cousins

Auto/Axial Compression - Chromatography

Autocarrier - Predecessor of British auto maker, AC Cars

Auto Carriers Ltd. (SAUO)

Autocheck (SAUS)

Auto-Cite - VERALEX, Inc. - Information service or system (CRD)

Autocoder (SAUS)

Autocollimator

Autocontex - Freight-forwarding company - British

Autodecoder (IAA)

Automated Conversion System

Automatic Calculator (SAUS)

Automatic Check (SAUS)

Automatic Checkout (BUR)

Automatic Clearing (SAUS)

Automatic Computer

Automatic Control

Automatic Controller (SAUS)

Automation and Communications - Military technology (DDF)

Automation Center (SAUO)

Automobile Club

Auxiliary Command

Auxiliary Computer

Auxiliary Console (SAA)

Availability Check (SAUS)

Availability Code

Average Consumer

Average Cost

Averett College (SAUO)

Aviation Cadet - Air Force

Awaiting Connection - Telecommunications (TEL)

Awareness Center - Defunct (EA)

Axial Centrifugal (AAG)

Axillary Crutches - Medicine (MELL)

Axiocervical - Dentistry

Axiom of Choice - Logic

Azacytidine - or Azacitidine - Also, AZA, Aza-C - Antineoplastic drug

Azimuth Comparator

Azusa College (SAUO)

Blood Gas - US Chemical Corps symbol

Buchanan. Cape Colony Court of Appeal Reports - South Africa - A publication (DLA)

Calgary Public Library, Alberta - Library symbol - National Library of Canada (NLC)

Canadian Reports, Appeal Cases - 1828-1913 - A publication (DLA)

Case on Appeal (DLA)

Collier - Navy symbol - Obsolete

Comptroller (SAUS)

Department Advisory Committees (SAUO)

Hercules, Inc. - Research code symbol

Hydrogen Cyanide - Also, HCN - Poison gas - Army symbol

Law Reports, Appeal Cases - England - A publication (DLA)

Michigan Administrative Code (AAGC)

Quebec dans le Monde - An association (EAIO)

Rockwell International Corp. - ICAO aircraft manufacturer identifier (ICAO)