understructure

• Partie inférieure d'une structure qui sert de support ou de fondation à l'ensemble, assurant la base sur laquelle repose le reste de la construction.

A noun referring to the lowest supporting part or foundation of a structure, providing a base for the rest of the construction.

1. Foundation or baseC1formal

   The lowest supporting part of a structure, such as a building or bridge, that provides stability and transfers loads to the ground.

   Infrastructure, partie inférieure porteuse

   • The engineers reinforced the understructure of the bridge to withstand earthquakes.
   • The building's understructure was damaged by the flood.
   • A solid understructure is essential for any tall skyscraper.

   Synonymesbasebedfootingfoundationgroundworksubstructuresupport

   Antonymessuperstructure