SUBSURFACE


Meaning of SUBSURFACE in English

I. ˈsəb-ˌsər-fəs noun

Date: 1778

: earth material (as rock) near but not exposed at the surface of the ground

II. ˌsəb-ˈsər-fəs adjective

Date: 1875

: of, relating to, or being something located beneath a surface and especially underground

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.