substructure (C1)

noun

Pronunciation: ˈsʌbstrʌktʃər

Definition

The underlying support or foundation upon which a larger structure is built.

Examples

• The bridge's substructure was severely damaged by the river's strong currents.

• Engineers inspected the tunnel's substructure to ensure it could support the weight of the new highway.

• The historic building required a new substructure to prevent it from sinking into the soft soil.

Synonyms of substructure

Words with a similar meaning to substructure:

• base
• foundation
• underpinning
• substructure

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