substructure

UK:^*^*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈsʌbˌstrʌktʃə/

US:USA pronunciation: IPAUSA pronunciation: IPA/sʌbˈstrʌktʃɚ, ˈsʌbˌstrʌk-/

US:USA pronunciation: respellingUSA pronunciation: respelling(sub struk′chər, sub′struk′-)

sub•struc•ture /sʌbˈstrʌktʃɚ, ˈsʌbˌstrʌk-/USA pronunciation n. [countable]

sub•struc•ture (sub struk′chər, sub′struk′-),USA pronunciation n.

Buildinga structure forming the foundation of a building or other construction.
Civil Engineeringthe foundations, piers, and abutments upon which the trusses or girders of the spans of a bridge rest.
any basic structure or organization.

sub•struc′tur•al, adj.

Collins Concise English Dictionary © HarperCollins Publishers::

substructure /ˈsʌbˌstrʌktʃə/ n

a structure, pattern, etc, that forms the basis of anything
a structure forming a foundation or framework for a building or other construction

subˈstructural adj

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