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substructure

American  
[suhb-struhk-cher, suhb-struhk-] / sʌbˈstrʌk tʃər, ˈsʌbˌstrʌk- /

noun

  1. a structure forming the foundation of a building or other construction.

  2. the foundations, piers, and abutments upon which the trusses or girders of the spans of a bridge rest.

  3. any basic structure or organization.

substructure British  
/ ˈsʌbˌstrʌktʃə /

noun

  1. a structure, pattern, etc, that forms the basis of anything

  2. a structure forming a foundation or framework for a building or other construction

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of substructure

First recorded in 1720–30; sub- + structure

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Substructure, sub′struk-tūr, n. an under structure or building: foundation.—v.t.

From Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) by Various

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.