What's the difference between
and
Enter two words to compare and contrast their definitions, origins, and synonyms to better understand how those words are related.

Understructure vs Substructure - What's the difference?

understructure | substructure |

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

English

Noun

(en noun)
  • 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 citation
  • , 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 . }}

    substructure

    English

    Noun

    (en noun)
  • The supporting part of a structure (either physical or organizational; the foundation).
  • The earth or gravel that railway sleepers are embedded in.
  • Synonyms

    * (l)

    See also

    * superstructure