sub
ja
cent
1
located beneath or below something else
- Subjacent layers of rock were revealed during the excavation process for the new building foundation.
- The basement of the house was subjacent to the main living area, providing additional space.
- The archaeologists discovered a subjacent layer of ancient artifacts beneath the modern city streets.
- The subjacent aquifer provides water to the region.
- The building's subjacent structure supports the upper floors.
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