The meaning of the Acronym AC is...

AC is

• Asphalt Concrete
• Alcohol Concentration
• Airframe Change
• Aircraft Commander
• Aircraft
• Air Controller
• Advisory Circular
• Air Cooled
• All Conditions
• Auto Carrier
• Air Conditioner
• Atlantic Crossing
• Air Cooling
• Accommodations Code

More Meanings For AC:

• Align Centre
• Alternate Character
• Additional Content
• Audio Coding
• Alternating Current
• Audio Computer
• Access Control
• Apache Configurator
• Application Context
• Authenticast Comet
• Aerodynamic Code
• Always Connected
• Area Code
• Armored Cable
• Authorization Center

AC is also in:

• Assembly
• Databases
• General
• Hardware
• Security
• Software
• Telecom