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subgrade

 

Definitions from the Web

Subgrade:

The term "subgrade" refers to the surface or layer of soil beneath a road, railway, or other construction project.

Parts of Speech:
  • Noun
Senses:
  1. Noun:

    The natural ground or prepared surface on which a roadbed, railroad track, or pavement is constructed.

    Example Sentence: The engineers assessed the stability of the subgrade before beginning the construction of the highway.

Usages:
  • Construction
  • Engineering
  • Civil Infrastructure
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