What does au stand for?

Arabian Sea and Area - MARC geographic area code - Library of Congress (LCCP)

Augite (SAUS)

Austria - MARC country of publication code - Library of Congress (LCCP)

Author - Editing notation (WDMC)

Unix Sound File - Computer science

Auberger - Blood group

Aurum - Gold - Chemical element

Australia Antigen - Immunology

Australian Stock Exchange (SPSG)

Author - Editing notation (WDMC)

Autumn

Gold - Chemical Element (DOG)

National Library of Australia, Canberra, Australia - Library symbol - Library of Congress (LCLS)

Aarhus University (SAUO)

About Uncirculated - Numismatic term

Absorbance Unit - Physical chemistry

Acadia University (SAUO)

Access Unit - Computer science (TNIG)

Accounting Unit (NATG)

Acousto-Ultrasonic (SAUS)

Adaptive Unit - Open Systems Interconnection (ODAA)

Adder Unit (SAUS)

Addressable Unit (SAUS)

Address Unit - Computer science

Adjunct Unit (SAUS)

Administrative Audit (SAUS)

Administrative Unit (SAUO)

Administrative Update - FCC application purpose code (FCCC)

Ad Usum - According to Custom - Pharmacy

Affirm United - Association - Canada (EAIO)

African Union

Agricore United - Toronto Stock Exchange symbol - Canada

Airborne Unit

Air to Underwater (SAA)

Air University - Maxwell Air Force Base, AL

Alabama University (SAUO)

Alfred University (SAUO)

Alignment Unit

Allahabad University (SAUO)

Allen University (SAUO)

Allergenic Unit - Medicine (DAVI)

All Up (ADA)

Alma Urbis - Beloved City - Rome

Almost Uncirculated - Condition of coins - Numismatics

Alopecia Universalis - Dermatology

Alternate Universe - Non-canon

Alternate Uses - Personality research - Psychology

Amax Gold, Inc. - NYSE symbol (SPSG)

Americana Unit - American Topical Association (EA)

Americans United for separation of church and state (SAUS)

American Unit (SAUO)

American University - Washington, DC

Amplifier Unit (OA)

Analog Applique Unit - Military technology (DDF)

Analytical Ultracentrifugation - Separation science

Analyzer Unit (CAAL)

Andrews University (SAUO)

Anglogold Ltd. ADS - NYSE symbol (SPSG)

Angstrom Unit - Medicine (MELL)

Anno Urbis - In the Year of the City of Rome - Latin

Anson Unit - Of hydrolytic enzyme activity

Answer Unit (IAA)

Antitoxin Unit - Immunology

Anti-U-Boat Warfare - British - World War II

Aphthous Ulcer - Medicine (MELL)

Apprentices Union - British

Arbitrary Unit - Medicine (MELL)

Ariel Resources - TS Symbol

Arithmetic Unit - Computer science

Army Unit

Assault Unit (SAUO)

Assembler Unit - Computer science (IAA)

Assessment Unit (WDAA)

Asset Utilization (EBF)

Associated Universities (SAUO)

Associations Unlimited - A publication

Assumption University (SAUO)

Astromical Unit (SAUS)

Astronomical Unit - Equal to average distance from earth to sun

Astronomy Unit - Later, ASU - American Topical Association (EA)

As Usual - Chat lingo (CHAT)

Atheists United (EA)

Atlanta University (SAUO)

Atlantic Union (DAS)

Atomic Units (MCD)

Attachment Unit (MCD)

Auburn University - Alabama

Audio and Electroacoustics - IEEE

Audit

Augmitto Explorations Ltd. - Toronto Stock Exchange symbol

August

Aunes - French Ells

A-Upper (SAUS)

Aures Unitas - Both Ears - Latin

Auris Uterque - Each Ear - Latin

Aurora - Tire casing code

Austerity

Australia - ANSI two-letter standard code (CNC)

Austral Lineas Aereas - ICAO designator (AD)

Austria - NCIC firearms make code (NCIC)

Austria - NCIC country-territory code (NCIC)

Austria

Author - Online database field identifier - Computer science

Authorized User (DCTA)

Autocoder (SAUS)

Automatic (IAA)

Automobile

Autopsy - Also, AUT - Medicine

Auxiliary Unit

Azauridine (MAE)

Beginn des Auflaufens (SAUS)

University of Alabama, University, AL - Library symbol - Library of Congress (LCLS)