subsurface

[ suhb-sur-fuhs, suhb-sur- ]

adjective
  1. below the surface, especially of a body of water.

Origin of subsurface

1
First recorded in 1770–80; sub- + surface

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use subsurface in a sentence

  • About three inches below the soft snow was a sub-surface crust strong enough to carry the bodily weight.

    My Attainment of the Pole | Frederick A. Cook

British Dictionary definitions for sub-surface

sub-surface

noun
  1. the layer just below the surface of water, the earth, etc

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012