1. The act or process of taking apart or dismantling something that was assembled
The disassembly of the machine took several hours.
A desmontagem da máquina levou várias horas.
2. Removal of something from its mounted or installed position
The disassembly of the equipment was necessary for transportation.
A desmontagem do equipamento foi necessária para o transporte.
3. Figurative: the breaking down or dismantling of an argument, theory, or system
The desmontagem of his theory revealed its logical flaws.
A desmontagem de sua teoria revelou suas falhas lógicas.