Origin of erosion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for erosional
This erosional process which has carved the mountains of Glacier Park has produced most of the mountains of the world.Glacier National Park [Montana]
United States Dept. of the Interior
- the wearing away of rocks and other deposits on the earth's surface by the action of water, ice, wind, etc
- the act or process of eroding or the state of being eroded
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
Word Origin and History for erosional
Online Etymology Dictionary, © 2010 Douglas Harper
- Superficial destruction of a surface by friction, pressure, ulceration, or trauma.
- The wearing away of a tooth by chemical or abrasive action.odontolysis
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- The gradual wearing away of land surface materials, especially rocks, sediments, and soils, by the action of water, wind, or a glacier. Usually erosion also involves the transport of eroded material from one place to another, as from the top of a mountain to an adjacent valley, or from the upstream portion of a river to the downstream portion.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.