• synonyms


[suhb-sur-fuh s, suhb-sur-]
  1. below the surface, especially of a body of water.
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Origin of subsurface

First recorded in 1770–80; sub- + surface
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for sub-surface

Contemporary Examples

Historical Examples

  • Both surface and sub-surface storage sometimes hold the water from the streams at times when it might be advantageously used.

  • In addition, there are indicated the sub-surface contours of one or more of the coal seams which are selected as datum horizons.

  • The sub-surface structure, even though complex, can be readily read from one of these surface maps.

  • Those beneath the surface, called "sub-surface deposits" or "mines," in general belong to the government.

  • Studies were likewise made of cantonment areas, with reference to water supplies and to surface and sub-surface conditions.

British Dictionary definitions for sub-surface


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