The meaning of the Acronym TCA is...

TCA is

• Time Of Closest Approach
• Translation Controller Assembly
• Thrust Chamber Assembly

More Meanings For TCA:

• Task Control Area
• Telecommunications Computer Architecture
• Target Channel Adapter
• Transformational Communications Architecture
• Trading Community Architechure
• Threshold Crossing Alert
• Telecom Computing Architecture
• Totally Crushed Again
• Training Chat Archive
• Tri Chloroacetic Acid
• TriChloroAcetic acid
• Tennessee Chess Association
• Texas Chess Association
• Toronto Construction Association
• Telecommunication Computer Architecture

TCA is also in:

• Chat
• Chemistry
• Chess
• Construction
• General
• Hardware
• Networking
• Plastics
• Software
• Telecom