Abbreviations starting with A (page 1 of 3)
667 abbreviations begin with A. This page lists A to ALC.
- A – Ampere +3 more
- A-a gradient – Alveolar-arterial oxygen gradient
- A&F – Abercrombie & Fitch
- A&I – Allergy and immunology
- A&Ox3 – Alert and oriented times three
- A&Ox4 – Alert and oriented times four
- A&P – Airframe and powerplant
- A&R – Artists and repertoire
- A&W – Allen & Wright
- A/C – Air conditioning +1 more
- A level – Advanced Level
- A/N – Author's note
- A-OK – All OK (perfectly fine)
- A/P – Assessment and plan
- A+ – CompTIA A+
- A/S – Aktieselskab (stock company, Denmark)
- a11y – Accessibility
- A1C – A1C test (hemoglobin A1c) +1 more
- A.2d – Atlantic Reporter, Second Series
- A2P – Application-to-person
- A.3d – Atlantic Reporter, Third Series
- AA – Alcoholics Anonymous +10 more
- AAA – American Automobile Association +6 more
- AAAS – American Association for the Advancement of Science
- AAB – Android App Bundle
- AAC – Advanced Audio Coding +1 more
- AACSB – Association to Advance Collegiate Schools of Business
- AAD – Antiarrhythmic drug
- AADT – Annual average daily traffic
- AAFES – Army and Air Force Exchange Service
- AAFP – American Academy of Family Physicians
- AAG – Assistant attorney general
- AAM – Air-to-air missile +1 more
- AAMC – Association of American Medical Colleges
- AAP – American Academy of Pediatrics +1 more
- AAR – After action review
- AAROM – Active-assisted range of motion
- AARP – AARP (formerly American Association of Retired Persons)
- AAS – Associate of Applied Science +3 more
- AAT – Activity as tolerated +1 more
- AATD – Alpha-1 antitrypsin deficiency
- AAU – Association of American Universities +1 more
- AAUP – American Association of University Professors
- AAUW – American Association of University Women
- AAV – Assault Amphibious Vehicle +1 more
- AAVE – African American Vernacular English
- AB – Alberta +8 more
- AB InBev – Anheuser-Busch InBev
- ABA – American Bar Association +2 more
- ABAC – Attribute-based access control
- ABB – Asea Brown Boveri
- abbr. – Abbreviation
- ABC – American Broadcasting Company +4 more
- ABCD2 – Age, Blood pressure, Clinical features, Duration, Diabetes
- ABCDE – Airway, breathing, circulation, disability, exposure +1 more
- ABCs – Airway, breathing, circulation
- ABD – All but dissertation +1 more
- ABET – ABET (formerly Accreditation Board for Engineering and…
- ABG – Arterial blood gas
- ABH – Actual bodily harm
- ABI – Ankle-brachial index +1 more
- ABL – Asset-based lending +1 more
- ABLE – Achieving a Better Life Experience account
- ABM – Account-based marketing
- ABMS – American Board of Medical Specialties
- ABN – Advance Beneficiary Notice of Noncoverage +1 more
- ABO – ABO blood group system
- Abp. – Archbishop
- ABPA – Allergic bronchopulmonary aspergillosis
- ABPM – Ambulatory blood pressure monitoring
- ABQ – Albuquerque +1 more
- ABR – Auditory brainstem response +2 more
- ABRS – Acute bacterial rhinosinusitis
- ABS – Anti-lock braking system +6 more
- ABT – About
- ABU – Airman Battle Uniform
- ABVD – Adriamycin (doxorubicin), bleomycin, vinblastine…
- ABX – Antibiotics
- AC – Alternating current +15 more
- ac-ft – Acre-foot
- AC-T – Adriamycin (doxorubicin) and cyclophosphamide followed by…
- ACA – Affordable Care Act +3 more
- ACARS – Aircraft Communications Addressing and Reporting System
- ACC – American College of Cardiology +6 more
- ACCA – Association of Chartered Certified Accountants
- ACCC – Australian Competition and Consumer Commission
- accel. – Accelerando
- ACCESS – Assessing Comprehension and Communication in English…
- acct. – Account
- ACD – Allergic contact dermatitis +1 more
- ACDF – Anterior cervical discectomy and fusion
- ACDT – Australian Central Daylight Time
- ACEI – Angiotensin-converting enzyme inhibitor
- ACEP – American College of Emergency Physicians
- ACEs – Adverse childhood experiences
- ACF – Administration for Children and Families +1 more
- ACFT – Army Combat Fitness Test
- ACGME – Accreditation Council for Graduate Medical Education
- ACH – Automated Clearing House
- ACHD – Adult congenital heart disease
- AChEI – Acetylcholinesterase inhibitor
- AChR – Acetylcholine receptor
- ACHS – Ante cibum et hora somni (before meals and at bedtime)
- ACID – Atomicity, consistency, isolation, durability
- ACIP – Advisory Committee on Immunization Practices
- ACK – Acknowledged
- ACL – Anterior cruciate ligament +1 more
- ACLR – Anterior cruciate ligament reconstruction
- ACLS – Advanced Cardiovascular Life Support
- ACLU – American Civil Liberties Union
- ACM – Association for Computing Machinery +2 more
- ACMC – Assistant Commandant of the Marine Corps
- ACNA – Anglican Church in North America
- ACO – Accountable care organization
- ACOG – American College of Obstetricians and Gynecologists +1 more
- ACom – Anterior communicating artery
- ACORD – Association for Cooperative Operations Research and…
- ACoS – Advertising cost of sale
- ACP – Affordable Connectivity Program +1 more
- ACPI – Advanced Configuration and Power Interface
- ACS – American Cancer Society +3 more
- ACST – Australian Central Standard Time
- ACT – ACT (originally American College Testing) +5 more
- ACTC – Additional Child Tax Credit
- ACTH – Adrenocorticotropic hormone
- ACU – Army Combat Uniform
- ACV – Actual cash value +3 more
- AD – Anno Domini (in the year of the Lord) +14 more
- AD&D – Accidental death and dismemberment insurance
- ad inf. – Ad infinitum (to infinity)
- ad lib. – Ad libitum (at one's pleasure)
- A.D.3d – Appellate Division Reports, Third Series
- ADA – Americans with Disabilities Act +6 more
- Adam – Adaptive moment estimation
- ADAMTS13 – A disintegrin and metalloproteinase with thrombospondin…
- ADAS – Advanced driver-assistance systems
- ADAT – Advance diet as tolerated
- ADB – Asian Development Bank +1 more
- ADC – Analog-to-digital converter +5 more
- ADD – Attention deficit disorder +2 more
- ADE – Adverse drug event
- ADEA – Age Discrimination in Employment Act
- ADEM – Acute disseminated encephalomyelitis
- ADF – Australian Defence Force +4 more
- ADH – Antidiuretic hormone
- ADHD – Attention-deficit/hyperactivity disorder
- ADHF – Acute decompensated heart failure
- ADIZ – Air defense identification zone
- adj. – Adjective
- ADL – Activities of daily living +1 more
- ADM – Admiral +2 more
- ADME – Absorption, distribution, metabolism and excretion
- admr. – Administrator
- ADN – Associate Degree in Nursing
- ADON – Assistant director of nursing
- ADP – Adenosine diphosphate +2 more
- ADPIE – Assessment, diagnosis, planning, implementation, evaluation
- ADPKD – Autosomal dominant polycystic kidney disease
- ADR – Adverse drug reaction +4 more
- ADS – Aim down sights
- ADS-B – Automatic Dependent Surveillance-Broadcast
- ADSL – Asymmetric digital subscriber line
- ADSR – Attack, decay, sustain, release
- ADT – Admission, discharge, transfer +3 more
- ADU – Accessory dwelling unit
- adv. – Adverb +1 more
- ADW – Assault with a deadly weapon
- AE – Armed Forces Europe +5 more
- AEB – Automatic emergency braking
- AEC – Australian Electoral Commission +1 more
- AECOPD – Acute exacerbation of chronic obstructive pulmonary disease
- AED – Automated external defibrillator +2 more
- AEDT – Australian Eastern Daylight Time
- AEI – American Enterprise Institute
- AELTC – All England Lawn Tennis and Croquet Club
- AEMT – Advanced emergency medical technician
- AEO – Attorneys' eyes only +1 more
- AEP – Annual Enrollment Period
- AER – Annual equivalent rate
- AERD – Aspirin-exacerbated respiratory disease
- AES – Advanced Encryption Standard +1 more
- AEST – Australian Eastern Standard Time
- AET – After extra time +1 more
- AETC – Air Education and Training Command
- AEW – All Elite Wrestling
- AF – As f*** +4 more
- AFA – Associate of Fine Arts +1 more
- AFAIC – As far as I'm concerned
- AFAICT – As far as I can tell
- AFAIK – As far as I know
- AFB – Acid-fast bacilli
- AFC – American Football Conference +2 more
- AFCI – Arc-fault circuit interrupter
- AFCM – Air Force Commendation Medal
- AFCON – Africa Cup of Nations
- AfD – Alternative for Germany
- AfDB – African Development Bank
- AFEM – Armed Forces Expeditionary Medal
- Aff. – Affidavit
- aff'd – Affirmed
- aff'g – Affirming
- AFGE – American Federation of Government Employees
- AFGSC – Air Force Global Strike Command
- AFI – Amniotic fluid index
- AFib – Atrial fibrillation
- AFIS – Automated Fingerprint Identification System
- AFK – Away from keyboard
- AFL – Australian Football League +3 more
- AFL-CIO – American Federation of Labor and Congress of Industrial…
- AFM – Atomic force microscope
- AFMC – Air Force Materiel Command
- AFO – Ankle-foot orthosis
- AFP – Australian Federal Police +3 more
- AFQT – Armed Forces Qualification Test
- AFRC – Air Force Reserve Command
- AFRICOM – United States Africa Command
- AFROTC – Air Force Reserve Officer Training Corps
- AFS – Available for sale
- AFSC – Air Force Specialty Code
- AFSCME – American Federation of State, County and Municipal Employees
- AFSOC – Air Force Special Operations Command
- AFSP – American Foundation for Suicide Prevention
- AFT – Army Fitness Test +2 more
- AFUE – Annual Fuel Utilization Efficiency
- AG – Attorney General +7 more
- AGA – Androgenetic alopecia +1 more
- AGACNP – Adult-Gerontology Acute Care Nurse Practitioner
- AGC – Associate general counsel
- AGE – Acute gastroenteritis
- AGEP – Acute generalized exanthematous pustulosis
- AGI – Adjusted gross income +2 more
- AGL – Above ground level
- AGM – Annual general meeting +1 more
- AGN – Active galactic nucleus
- AGP – Málaga-Costa del Sol Airport +1 more
- AGPCNP – Adult-Gerontology Primary Care Nurse Practitioner
- AGPL – GNU Affero General Public License
- agr – Agreement error +1 more
- AGS – Associate in General Studies
- AGV – Automated guided vehicle
- AH – Auditory hallucinations +4 more
- AHA – American Heart Association +1 more
- AHCD – Advance health care directive
- AHCI – Advanced Host Controller Interface
- AHFS – American Hospital Formulary Service
- AHI – Apnea-hypopnea index
- AHJ – Authority having jurisdiction
- AHL – American Hockey League
- AHRF – Acute hypoxemic respiratory failure
- AHRQ – Agency for Healthcare Research and Quality
- AHT – Abusive head trauma
- AHU – Air handling unit
- AI – Artificial intelligence +7 more
- AIA – American Institute of Architects
- AIAA – American Institute of Aeronautics and Astronautics
- AIBU – Am I being unreasonable?
- AIC – Akaike information criterion
- AICD – Automatic implantable cardioverter-defibrillator
- AICE – Advanced International Certificate of Education
- AIChE – American Institute of Chemical Engineers
- AICPA – American Institute of Certified Public Accountants
- AID – Automated insulin delivery
- AIDA – Attention, interest, desire, action
- AIDS – Acquired immunodeficiency syndrome
- AIFF – Audio Interchange File Format
- AIG – American International Group
- AIGC – AI-generated content
- AIH – Autoimmune hepatitis
- AIHA – Autoimmune hemolytic anemia
- AIIB – Asian Infrastructure Investment Bank
- AIIMS – All India Institute of Medical Sciences
- AIIR – Airborne infection isolation room
- AIM – Aeronautical Information Manual
- AIMS – Abnormal Involuntary Movement Scale
- AIN – Acute interstitial nephritis
- AIO – All-in-one computer +1 more
- AIOps – Artificial intelligence for IT operations
- AIPAC – American Israel Public Affairs Committee
- Air Cdre – Air Commodore
- AIRMET – Airmen's Meteorological Information
- AIS – Automatic Identification System +1 more
- AIT – Advanced Individual Training
- AITA – Am I the a**hole?
- AJAX – Asynchronous JavaScript and XML
- AJCC – American Joint Committee on Cancer
- AJE – Adjusting journal entry
- AK – Alaska +1 more
- AK-47 – Avtomat Kalashnikova (Kalashnikov automatic rifle), model…
- aka – Also known as +1 more
- AKDT – Alaska Daylight Time
- AKI – Acute kidney injury
- AKL – Auckland Airport
- AKS – Azure Kubernetes Service
- AKST – Alaska Standard Time
- AL – Alabama +3 more
- Ala. – Alabama +2 more
- ALAC – Apple Lossless Audio Codec
- ALARA – As low as reasonably achievable
- Alb – Albumin
- ALC – Absolute lymphocyte count +1 more