sub-excavation

English

Alternative forms
  • subexcavation

Etymology

sub- +‎ excavation

Noun

sub-excavation (plural sub-excavations)

  1. An excavation underneath something, or the excavation of a subgrade
    We were grading the road and found a soft spot where we did a sub-excavation.
  • sub-ex (short form)
  • sub-excavate
  • sub-excavated
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