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undersurface

[uhn-der-sur-fis]
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noun
  1. underside; bottom surface.
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adjective
  1. submerged; under the surface, as of water, earth, etc.: the undersurface speed of a submarine.
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Origin of undersurface

First recorded in 1725–35; under- + surface
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for undersurface

groundwork, underside, seat, pedestal, ground, nadir, floor, support, footing, belly, bedrock, sole, base, rest, basement, foot, substratum, basis, bed, underbelly

Examples from the Web for undersurface

Historical Examples of undersurface

  • The nest was some forty feet from the ground, on the undersurface of a shelf of rock.

    The Red Dust

    Murray Leinster

  • He pointed with his antennae to the fluorescent hieroglyphs on the undersurface of the saucer-ship.

    Clean Break

    Roger Dee

  • 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

  • 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