substructure

noun

sub·​struc·​ture ˈsəb-ˌstrək-chər How to pronounce substructure (audio)
: an underlying or supporting part of a structure
substructural adjective

Examples of substructure in a Sentence

The bridge's substructure was damaged.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Public Works Manager Wayne Thames, a certified playground inspector, told council members that the limbs are experiencing failure and 54 cracks have been detected with visible rust in the metal substructure. Gary Warth, San Diego Union-Tribune, 3 Mar. 2025 To label a bridge in poor condition, one of three categories — the deck, superstructure or substructure — must be rated a four or less out of nine. Kirsten Fiscus, The Tennessean, 17 June 2024 The bridge's deck was found to be in satisfactory condition, while the substructure was in fair condition. Leo Bertucci, The Courier-Journal, 5 Dec. 2024 Demolition will allow for the construction of a new foundation and substructure to be installed by the end of 2025. Frederick Melo, Twin Cities, 4 Dec. 2024 See All Example Sentences for substructure

Word History

First Known Use

1726, in the meaning defined above

Time Traveler
The first known use of substructure was in 1726

Browse Nearby Words

Cite this Entry

“Substructure.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/substructure. Accessed 15 Apr. 2025.

Kids Definition

substructure

noun
sub·​struc·​ture ˈsəb-ˌstrək-chər How to pronounce substructure (audio)
: an underlying or supporting part of a structure

Medical Definition

substructure

noun
sub·​struc·​ture ˈsəb-ˌstrək-chər How to pronounce substructure (audio)
: an underlying or supporting structure
substructural adjective

More from Merriam-Webster on substructure

Last Updated: - Updated example sentences
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