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.

Related terms

• sub-ex (short form)
• sub-excavate
• sub-excavated