corrosion

noun
cor·​ro·​sion | \ kə-ˈrō-zhən How to pronounce corrosion (audio) \

Definition of corrosion

1 : the action, process, or effect of corroding
2 : a product of corroding

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Synonyms & Antonyms for corrosion

Synonyms

attrition, erosion, undermining, waste

Antonyms

buildup

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Examples of corrosion in a Sentence

the corrosion of family values that is often brought on by great wealth

Recent Examples on the Web

It has been fined seven times since 2010 by Massachusetts’ Department of Public Utilities, totaling $100,000, for improper pressure testing, corrosion control, faulty paperwork and other infractions. Russell Gold, WSJ, "Pipe Pressure Eyed in Gas Blasts," 14 Sep. 2018 First, components are designed in thousands of different materials and alloys for reasons of performance (hardness, resistance to corrosion, etc.). WSJ, "While Great, 3-D Printers Have Limitations," 2 Nov. 2018 Coolant does raises the boiling point of the cooling system in summer, lowers the freezing point in winter, and protects the engine and cooling system from corrosion. Zachary Palmer, Popular Mechanics, "Choosing the Right Coolant for Your Car," 4 Sep. 2018 Although warships are designed to be corrosion-resistant they are not designed to be submerged under salt water (ships other than submarines, anyway), particularly sensitive electronics. Kyle Mizokami, Popular Mechanics, "That Wrecked Norwegian Frigate Is Pretty Much Toast," 13 Nov. 2018 And with Thanksgiving only three weeks away, don't forget to inspect your fire extinguisher for any signs of corrosion, missing pull-pins, and/or changes in the pressure gauge. Caroline Picard, Good Housekeeping, "Why You Need to Check Your Smoke Detectors During Daylight Saving," 2 Nov. 2018 Lead from old pipes leached into the water supply because corrosion-reducing phosphates were not added due to an incorrect reading of federal regulations. Rebecca Bratek, CBS News, "Local sorority raises $20,000 to help Flint's water crisis," 14 June 2018 The problematic nut that's under investigation apparently suffers excessive levels of corrosion and wear from stress, leading to cracks. Kyle Mizokami, Popular Mechanics, "The U.S. Army Is Inspecting Its Entire Fleet of Apache Helicopters for a Critical Flaw​​," 16 May 2018 Nearly $8 million is needed to replace nine acres of plastic panels that make up the roof’s top membrane, while $15 million is needed to repaint and remove corrosion from the steel beams that support the structure. Daniel Beekman, The Seattle Times, "In $180 million ask for public money, Mariners cite retractable roof used 400 times per year," 28 Aug. 2018

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.

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First Known Use of corrosion

14th century, in the meaning defined at sense 1

History and Etymology for corrosion

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

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Last Updated

3 Mar 2019

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Time Traveler for corrosion

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

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More Definitions for corrosion

corrosion

noun
cor·​ro·​sion | \ kə-ˈrō-zhən How to pronounce corrosion (audio) \

Kids Definition of corrosion

: the process or effect of destroying, weakening, or wearing away little by little

corrosion

noun
cor·​ro·​sion | \ kə-ˈrō-zhən How to pronounce corrosion (audio) \

Medical Definition of corrosion

1 : the action, process, or effect of corroding arterial corrosion that characterizes arteriosclerosisJournal 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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