The meaning of the Acronym GC is...

GC is

• Global Catalog
• Gigacycles (1000 Megacycles)
• Ground Control
• Guidance Control
• GyroCompassing

More Meanings For GC:

• Global Constant
• Global Context
• Garbage Cleanup
• Graphics Context
• Global Cache
• Generic Context
• Garbage Collection/Collector
• Greedy Critical
• Game Core
• Global Catalog
• Global Communications
• Get Crazy
• Good Call
• Go Cool
• Gravimetric Calibration

GC is also in:

• Chat
• Databases
• Electronics
• General
• Software
• Telecom