corrosion

noun

cor·​ro·​sion kə-ˈrō-zhən How to pronounce corrosion (audio)
1
: the action, process, or effect of corroding
2
: a product of corroding

Example Sentences

the corrosion of family values that is often brought on by great wealth
Recent Examples on the Web The Sportages were recalled in 2016 due to corrosion in a wiring harness near the engine control unit. Scott Gleeson, USA TODAY, 27 Oct. 2022 Some cosmetic issues with peeling clearcoat are mentioned in the listing, and there's some corrosion noted. Brendan Mcaleer, Car and Driver, 26 Oct. 2022 In 2016, Kia safety officers found corrosion on wiring in the Sportage’s hydraulic electronic control unit (HECU), a major component of the anti-lock braking system. Jacob Bogage, Washington Post, 26 Oct. 2022 Making matters worse, half of France’s 56 nuclear reactors have been shut down because of maintenance issues, including corrosion on the pipes that cool the reactor cores. William A. Galston, WSJ, 25 Oct. 2022 Stainless steel refers to an alloy of iron with a small amount of carbon, resulting in blades that are durable and resistant to corrosion. Abigail Bailey, Good Housekeeping, 4 Nov. 2022 The South Korean automaker and its parent company, Hyundai, have recalled nearly 1 million vehicles since 2020 because of related issues related to corrosion around the anti-lock braking system. Jacob Bogage, Washington Post, 26 Oct. 2022 The transmission wiring harness may be misrouted, which can expose the electrical connector to corrosion, and result in an electrical short-circuit. Detroit Free Press, 12 Aug. 2022 Electrical corrosion may not be visible, and an EV can experience thermal runaway hours or even days after flood waters recede. Elizabeth Weise, USA TODAY, 26 Oct. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'corrosion.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

Etymology

Middle English corrosioun, borrowed from Late Latin corrōsiōn-, corrōsiō "act of gnawing," from Latin corrōdere "to gnaw, chew up" + -tiōn-, -tiō, suffix of verbal action — more at corrode

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of corrosion was in the 14th century

Dictionary Entries Near corrosion

Cite this Entry

“Corrosion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/corrosion. Accessed 2 Dec. 2022.

Kids Definition

corrosion

noun

cor·​ro·​sion kə-ˈrō-zhən How to pronounce corrosion (audio)
: the action, process, or effect of corroding

Medical Definition

corrosion

noun

cor·​ro·​sion kə-ˈrō-zhən How to pronounce corrosion (audio)
1
: the action, process, or effect of corroding
arterial corrosion that characterizes arteriosclerosis Journal of the American Medical Association
2
: a study specimen of an organ or other structure prepared by injection of hollow parts (as blood vessels) with a plastic and subsequent removal of the surrounding tissue by corrosion

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