1. The part of a building or ship above its foundation or main deck
The superstructures of the naval vessels were reinforced with steel.
As superestruturas dos navios de guerra foram reforçadas com aço.
2. In Marxist theory, the ideological and cultural institutions built upon the economic base of society
According to Marx, the superstructures of society reflect the underlying economic system.
De acordo com Marx, as superestruturas da sociedade refletem o sistema econômico subjacente.
3. Any structure built on top of or supported by something else
The company built new superstructures on the existing infrastructure.
A empresa construiu novas superestruturas sobre a infraestrutura existente.