subsoil definition by Webster's New World
the layer of soil beneath the topsoil
to stir or turn up the subsoil of
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- subsoiler noun
subsoil definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The layer or bed of earth beneath the topsoil.transitive verb sub·soiled, sub·soil·ing, sub·soils
To plow or turn up the subsoil of.
- subˈsoilˌer noun
subsoil - Science Definition
In an ABC soil, the B horizon. The term was formerly used to mean the layer of earth below the humus or surface soil.