Understructure vs Substructure - What's the difference?
understructure | substructure |
The supporting structure underneath something, such as a vehicle or bridge.
*{{quote-news, year=2008, date=January 22, author=Kirk Johnson, title=Strength Renewed, a Grand Old Building Is Back, work=New York Times
, passage=Four small suspension bridges, complete with towers and cables like those on the span across the East River, are now encased inside the Capitol’s subbasement understructure . }}
The supporting part of a structure (either physical or organizational; the foundation).
The earth or gravel that railway sleepers are embedded in.
As nouns the difference between understructure and substructure
is that understructure is the supporting structure underneath something, such as a vehicle or bridge while substructure is the supporting part of a structure (either physical or organizational; the foundation).understructure
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