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corrosion

[kuh-roh-zhuh n] /kəˈroʊ ʒən/
noun
1.
the act or process of corroding; condition of being corroded.
2.
a product of corroding, as rust.
Origin
1350-1400
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
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for corrosional

corrosion

/kəˈrəʊʒən/
noun
1.
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
2.
slow deterioration by being eaten or worn away
3.
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
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Word Origin and History for corrosional

corrosion

n.

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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corrosional in Science
corrosion
  (kə-rō'zhən)   
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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