The meaning of the Acronym AOS is...

AOS is

• Area of Specialization
• Acquisition of Signal
• Add-on Stabilization

More Meanings For AOS:

• Installable program (Nokia Communicator add-on software)
• Audio Operating System
• Academic Operating System
• Ago Open Source
• Aeon Of Strife
• Alternate Operator Service
• Adaptive Optimization System
• America Out Of Space
• Adventures Of Scrabby
• The American Orchid Society
• Algebraic Operating System
• Army Of Slipknot
• Aspherical Optics System
• Air Observer School
• And Occasionally Soder

AOS is also in:

• Electronics
• File Extensions
• Funnies
• General
• Software
• Telecom
• Unfiled