corrosion

noun

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

Synonyms of corrosion

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.
These sensors identify signals from induction responses, magnetic flux leakage, stress, corrosion and operational currents. Alex Krasnok, The Conversation, 19 June 2026 The cracking issue in the PrK module’s structure is due to corrosion, and leaks occur inside the aging transfer tunnel when pressure is cycled up or down. Eric Berger, ArsTechnica, 15 June 2026 Inspect hoses every six months for damage like cracks, bulges, or corrosion to avoid leaks or bursts. Timothy Dale, The Spruce, 15 June 2026 The cards are made from TC4 titanium, known for its combination of strength, low weight, and corrosion resistance. Maryna Holovnova, New Atlas, 15 June 2026 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 26 Jun. 2026.

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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