Initialism of American Academy of Arts and Sciences. / Initialism of American Academy of Asian Studies. / Initialism of American Association for the Advancement of Science.

plural of AAA

(medicine) Initialism of abdominal aortic aneurysm. / (organic chemistry) Initialism of aromatic amino acid. / (military) Initialism of anti-aircraft artillery.

(US, historical, law) Initialism of Agricultural Adjustment Act. / (US, historical, law) Initialism of Agricultural Adjustment Administration. / (US) Initialism of American Anthropological Association.

(sports, Canada, US) The highest level of minor league baseball, often used by extension in other sports to indicate the highest level of minor league play in that sport as well.

Initialism of awaiting aircraft availability.

(medicine) Initialism of abdominal aortic aneurysm. / (medicine) Initialism of acquired aplastic anemia. / (medicine) Initialism of acute anxiety attack. / (medicine) Initialism of amalgam.

(initialism, American Association of Attorney-Certified Public Accountants)

(historical) Initialism of American Association for the Advancement of Slavic Studies, now known as the Association for Slavic, East European, and Eurasian Studies

Initialism of Association of Administrative Assistants and Secretaries to United States Senators.