Definition of subsurface in English:

subsurface

Syllabification: sub·sur·face
Pronunciation: /ˈsəbsərfəs
 
/

noun

The stratum or strata below the earth’s surface.
More example sentences
  • Also, in some areas (rift valleys) they receive hydrothermal magmatic waters from the subsurface.
  • It seeps through the earth to a subsurface water table, which flows horizontally to a stream bank.
  • Ground penetrating radar provides an image of the subsurface showing the internal structure of dunes.

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Word of the day setose
Pronunciation: ˈsēˌtōs
adjective
bearing bristles or setae; bristly