erosion

[ ih-roh-zhuh n ]
/ ɪˈroʊ ʒən /

noun

the act or state of eroding; state of being eroded.
the process by which the surface of the earth is worn away by the action of water, glaciers, winds, waves, etc.

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Origin of erosion

First recorded in 1535–45, erosion is from the Latin word ērōsiōn- (stem of ērōsiō). See erose, -ion

OTHER WORDS FROM erosion

e·ro·sion·al, adjectivean·ti·e·ro·sion, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences 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

British Dictionary definitions for erosional

erosion
/ (ɪˈrəʊʒən) /

noun

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

Derived forms of erosion

erosive or erosional, adjective
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

Medical definitions for erosional

erosion
[ ĭ-rōzhən ]

n.

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.

Scientific definitions for erosional

erosion
[ ĭ-rōzhən ]

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.

Cultural definitions for erosional

erosion

A type of weathering in which surface soil and rock are worn away through the action of glaciers, water, and wind.

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.