The meaning of the Acronym AA is...

AA is

• Ann Arbor Railroad

More Meanings For AA:

• Acquired Attributes
• ASCII Art
• AMD Assured
• AMD Athlon processor
• Access Authorization
• Awaiting Activation
• Auto Answer
• Agile Access
• alcoholics anonymous
• Ask About
• Associate of Arts
• Astronomy and Astrophysics
• Acetic Acid
• Amino Acrylate
• Arachidonic Acid

AA is also in:

• Academic Degrees
• Assembly
• Chat
• Chemistry
• General
• Hardware
• Networking
• Security
• Telecom