dismantle   verb  to take (a machine) apart or to come apart into separate pieces, or fig. to get rid of (a system or organization) usually over a period of time  She dismantled the washing machine to see what the problem was but couldn't put it back together again. [T] The good thing about the bike is that it dismantles if you want to put it in the back of the car. [I] FIGURATIVE Bit by bit the government have dismantled the old education system. [T] FIGURATIVE At last apartheid is being dismantled. [T]

( Cambridge International Dictionary of English )