[suhb-sur-fuh s, suhb-sur-]


below the surface, especially of a body of water.

Origin of subsurface

First recorded in 1770–80; sub- + surface Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sub-surface

Contemporary Examples of sub-surface

  • Broad completely misses the point that sub-surface demolition makes plugging the well “from the top” unnecessary.

    The Daily Beast logo
    The Case for Blowing Up the Oil Well

    Christopher Brownfield

    June 5, 2010

Historical Examples of sub-surface

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

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

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

  • 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



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