verb (used with object), e·rod·ed, e·rod·ing.

to eat into or away; destroy by slow consumption or disintegration: Battery acid had eroded the engine. Inflation erodes the value of our money.
to form (a gully, butte, or the like) by erosion.

verb (used without object), e·rod·ed, e·rod·ing.

to become eroded.

Origin of erode

1605–15; < Latin ērōdere, equivalent to ē- e-1 + rōdere to gnaw
Related formse·rod·i·ble, e·rod·a·ble, e·ro·si·ble [ih-roh-zuh-buh l, -suh-] /ɪˈroʊ zə bəl, -sə-/, adjectivee·rod·i·bil·i·ty, e·rod·a·bil·i·ty, nounnon·e·rod·ed, adjectivenon·e·rod·ing, adjectiveun·e·rod·a·ble, adjectiveun·e·rod·ed, adjectiveun·e·rod·i·ble, adjectiveun·e·rod·ing, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for erode

Contemporary Examples of erode

Historical Examples of erode

  • This limit of the level of the sea beneath which they cannot erode is known as baselevel.

    The Elements of Geology

    William Harmon Norton

  • Secure in its grip, these are used as graving-tools to erode its bed.

  • There has not been time to erode them away since the Pleistocene glaciation.

    Climatic Changes

    Ellsworth Huntington

  • It has been, and is being, created by sediments from the many torrents that erode the interior mountains.

  • To erode a stratum 5000 feet thick will require at this rate thirty million years.

British Dictionary definitions for erode



to grind or wear down or away or become ground or worn down or away
to deteriorate or cause to deterioratejealousy eroded the relationship
(tr; usually passive) pathol to remove (tissue) by ulceration
Derived Formserodent, adjective, nounerodible, adjective

Word Origin for erode

C17: from Latin ērōdere, from ex- 1 + rōdere to gnaw
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 erode

1610s, a back-formation from erosion, or else from French éroder, from Latin erodere "to gnaw away, consume" (see erosion). Related: Eroded; eroding. Originally of acids, ulcers, etc.; geological sense is from 1830.

Online Etymology Dictionary, © 2010 Douglas Harper

erode in Medicine




To wear away by or as if by abrasion.
To eat into; ulcerate.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.