GO:0036114:   medium-chain fatty-acyl-CoA catabolic process
The chemical reactions and pathways resulting in the breakdown of medium-chain fatty-acyl-CoAs, any derivative of coenzyme A in which the sulfhydryl group is in a thioester linkage with a medium-chain fatty-acyl group. A medium-chain fatty acid is a fatty acid with a chain length of between C6 and C12.