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

Examples of corrosion in a Sentence

the corrosion of family values that is often brought on by great wealth
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Thomas Edison’s electric light bulb and power distribution systems and Nikola Tesla’s alternating current innovations relied on copper’s conductivity and corrosion resistance, enabling widespread electrification. Ed MacHa, Forbes, 5 Mar. 2025 Holtec’s plans to restart Palisades, however, are running into challenges after inspections found more than 1,000 steam generator tubes with indications of corrosion cracking, according to a filing with NRC. Spencer Kimball, CNBC, 25 Feb. 2025 When bad weather does come, the steel is powder-coated to resist corrosion in all conditions. Shea Simmons, Better Homes & Gardens, 21 Feb. 2025 The state’s water quality certification program considers practices like corrosion control, cover crops, no-till farming, precision farming and others when determining certification. Minnpost, Twin Cities, 7 Feb. 2025 See All Example Sentences for corrosion

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

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Cite this Entry

“Corrosion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/corrosion. Accessed 13 Mar. 2025.

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 arteriosclerosisThe 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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