The meaning of the Acronym AC is...

AC is

• Active Component
• Army Component
• Analyst Console
• Automation and Communications
• Aircraft
• All Clear
• Armor Class
• Attack City
• Armored Class
• Army Company
• Authorize Capture
• Armored Corps
• Aircraft Carrier
• Air Cavalry
• Assessment Center
• Armored Convoy
• Air Commander

More Meanings For AC:

• Applied Communications
• Alternating Current
• Ascendant Cusp
• Active Coronae
• Actinium
• Active Count
• 'A' Complement
• Added Constraint
• Academic Community
• Advanced Credit
• Assumption College
• Autonomous Control
• Automatic Control
• American Coast
• Axiom of Choice

AC is also in:

• Academic Degrees
• Architecture
• Astronomy
• Chemistry
• Electronics
• Geology
• Mathematics
• Universities