[sub.sur.face] n (1778): earth material (as rock) near but not exposed at the surface of the ground
[2]sub.sur.face adj (1875): of, relating to, or being something located beneath a surface and esp. underground
[sub.sur.face] n (1778): earth material (as rock) near but not exposed at the surface of the ground
[2]sub.sur.face adj (1875): of, relating to, or being something located beneath a surface and esp. underground
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012