subsurface

[ suhb-sur-fuh s, suhb-sur- ]

/ sʌbˈsɜr fəs, ˈsʌbˌsɜr- /

below the surface, especially of a body of water.

Words nearby subsurface

First recorded in 1770–80; sub- + surface

There was a vast amount of whisper and low-toned wordiness, subsurface complaint and counter-complaint.
Dominie Dean|Ellis Parker Butler
A number of interesting methods of providing for subsurface structures are shown in photographs pages 51 to 54.
The New York Subway|Anonymous
It also soon appeared that the German U-boats would not fight our subsurface vessels.
The Victory At Sea|William Sowden Sims
The effect in a given region depends to a large degree on local surface and subsurface geologic conditions.
Earthquakes|Kaye M. Shedlock

A subsurface drain, some fifty feet long and connected with the gutter of an intersecting road, took care of the lawn.
If You're Going to Live in the Country|Thomas H. Ormsbee and Richmond Huntley