sub·​struc·​ture | \ ˈsəb-ˌstrək-chər How to pronounce substructure (audio) \

Definition of substructure

: an underlying or supporting part of a structure

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Other Words from substructure

substructural \ ˈsəb-​ˌstrək-​chə-​rəl How to pronounce substructural (audio) , -​shrəl \ adjective

Examples of substructure in a Sentence

The bridge's substructure was damaged.
Recent Examples on the Web The man was leaning against the substructure of a bridge, making waving motions with his hand. Bob Sandrick, cleveland, "High school classmates have oddball reunion; police draw weapons on man with handgun: Brook Park Police Blotter," 4 Oct. 2019 Beneath the game that gives the novel its plot, Raskin built a narrative substructure that consists of the intersecting identity crises experienced by the sixteen—sixteen! Jia Tolentino, The New Yorker, "“The Westing Game,” a Tribute to Labor That Became a Dark Comedy of American Capitalism," 13 June 2019 Because of this, art historians have previously used T-rays to look into the substructures of murals, frescoes, and paintings. William Herkewitz, Popular Mechanics, "A New Microscopic Camera Lets Us Peer Inside All the Things We Normally Can't See," 3 June 2016 The home’s foundation is rock solid, built on a series of 39-foot pilings, rebar and a concrete substructure. David Lyons,, "Boca waterfront mansion a finalist in HGTV's 'Ultimate House Hunt'," 18 June 2018 So what looks on paper like a tremendous built-in infrastructure for moving illicit products across borders is actually a disparate, federalized organization of substructures with highly local, even competing, interests. Steven S. Dudley, Houston Chronicle, "MS-13 is a street gang, not a drug cartel. Why it matters in the US?," 16 Apr. 2018 The rehabilitation work includes removing and replacing the entire pavement and substructure as well as drainage. Peter Marteka, Courant Community, "Portion of Hebron Avenue Closed To Vehicular And Pedestrian Traffic," 9 Apr. 2018 The star's irregular dips might then be shadows cast by rings, gaps and other substructures in the transiting disk. Kimberly Cartier, Scientific American, "Have Aliens Built Huge Structures around Boyajian’s Star?," 1 May 2017 Structurally, the C_Two utilizes a carbon-fiber tub with a rear substructure and roof, both of carbon fiber, bonded to it. Tony Markovich, Car and Driver, "With 1888 HP, the Rimac C_Two Puts Croatia on the Supercar Map," 7 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'substructure.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of substructure

1726, in the meaning defined above

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Statistics for substructure

Last Updated

20 Nov 2019

Time Traveler for substructure

The first known use of substructure was in 1726

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More Definitions for substructure


How to pronounce substructure (audio)

English Language Learners Definition of substructure

: a supporting part or structure that is below something


sub·​struc·​ture | \ ˈsəb-ˌstrək-chər How to pronounce substructure (audio) \

Medical Definition of substructure

: an underlying or supporting structure

Other Words from substructure

substructural \ -​chə-​rəl, -​shrəl How to pronounce substructural (audio) \ adjective

More from Merriam-Webster on substructure

Britannica English: Translation of substructure for Arabic Speakers

Comments on substructure

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to speed up the process or progress of

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