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Definitions

substructure

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












NOUN
underpinning
Synonyms




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.

A majority of heavy lift and hauling services relates to above-ground or superstructure work that occurs after foundation and substructure work is mostly completed.

From The Wall Street Journal • Jan. 19, 2026

The pitch was built on a base called “the permavoid,” a substructure designed to support the field while allowing air and moisture to move under the root zone.

From Los Angeles Times • Mar. 26, 2025

It depends on the diameter of the fiber... and also on its substructure!

From Science Daily • Oct. 27, 2023

They measured the electric field generated by the transmitter near the ship, as well as an induced electric field that was detected as it returned from the seafloor substructure.

From Scientific American • Jun. 17, 2023

He climbed up the metal steps to the top of the substructure, an elevated base upon which sat the draw works and the doghouse for the roustabouts and the tool pushers.

From "Friday Night Lights: A Town, A Team, And A Dream" by H.G. Bissinger