undersurface

[ uhn-der-sur-fis ]

noun

adjective

submerged; under the surface, as of water, earth, etc.: the undersurface speed of a submarine.

Origin of undersurface

First recorded in 1725–35; under- + surface

The nest was some forty feet from the ground, on the undersurface of a shelf of rock.
The Red Dust | Murray Leinster
The undersurface, originally a bright red, turns brown and runs in every direction into a mass of dark stalactites.
The Life of the Fly | J. Henri Fabre
There had been a lot of that at first, in the early days before the transfer to undersurface was complete.
The Defenders | Philip K. Dick
You couldn't expect to have everything perfect, living undersurface, with an artificial sun and artificial food.
The Defenders | Philip K. Dick
Until our families can come up from undersurface, it's going to be pretty lonesome, but we'll have to manage.
The Defenders | Philip K. Dick

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