The meaning of the Acronym AC is...

AC is

• Awfully Crummy

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