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[kuh-roh-zhuh n] /kəˈroʊ ʒən/
the act or process of corroding; condition of being corroded.
a product of corroding, as rust.
Origin of corrosion
1350-1400; Middle English (< Middle French) < Late Latin corrōsiōn- (stem of corrōsiō) a gnawing away, equivalent to Latin corrōs(us), past participle of corrōdere to corrode + -iōn- -ion
Related forms
corrosional, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for corrosion
Contemporary Examples
Historical Examples
  • corrosion may be removed by washing the part in a solution of baking soda.

  • The valve was not easy to turn; it seemed fixed with the corrosion of ages.

    The Pygmy Planet John Stewart Williamson
  • It must have been new when this world froze, for there was no sign of corrosion or oxidation.

    Islands of Space John W Campbell
  • But the corrosion of him burned in her till it burned itself out.

    The Rainbow D. H. (David Herbert) Lawrence
  • Long after the Colorado began its work of corrosion there was a mighty upheaval.

    Our Italy Charles Dudley Warner
  • This corrosion may arise from either chemical or voltaic action.

  • This corrosion was supposed to have been going on for about three years.

    Records of Steam Boiler Explosions Edward Bindon Marten
  • corrosion has been the direct cause of many of the explosions.

    Records of Steam Boiler Explosions Edward Bindon Marten
  • There is no corrosion, oxidization or other form of deterioration.

British Dictionary definitions for corrosion


a process in which a solid, esp a metal, is eaten away and changed by a chemical action, as in the oxidation of iron in the presence of water by an electrolytic process
slow deterioration by being eaten or worn away
the condition produced by or the product of corrosion
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
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Word Origin and History for corrosion

c.1400, from Middle French corrosion or directly from Latin corrosionem (nominative corrosio), noun of action from past participle stem of corrodere (see corrode).

Online Etymology Dictionary, © 2010 Douglas Harper
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corrosion in Science
The breaking down or destruction of a material, especially a metal, through chemical reactions. The most common form of corrosion is rusting, which occurs when iron combines with oxygen and water.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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