The meaning of the Acronym AA is...

AA is

• African-American
• Of Each
• Amino Acid
• Anatomical Adaptation
• Anal Aneurysm
• Aspenice Anesthesiology
• Alopecia Areata

More Meanings For AA:

• Associate of Arts
• Astronomy and Astrophysics
• Acetic Acid
• Amino Acrylate
• Arachidonic Acid
• Activation Analysis
• Advanced Alloy
• Atomic Absorption
• Amino Acid
• Atomic Absorption
• Active Active
• Automatic Adjust
• Anti Aliasing
• Audio Animatronics
• Author's Addition

AA is also in:

• Academic Degrees
• Chemistry
• Electronics
• IEEE