deformation

noun

de·​for·​ma·​tion ˌdē-ˌfȯr-ˈmā-shən How to pronounce deformation (audio) ˌde-fər- How to pronounce deformation (audio)
1
: alteration of form or shape
also : the product of such alteration
2
: the action of deforming : the state of being deformed
3
: change for the worse
deformational adjective

Examples of deformation in a Sentence

the catastrophic deformation of the steel girders under the enormous weight of the bridge
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.
The study showed how ground deformation varied across the cities—for example, the area around LaGuardia Airport is sinking much faster than most of the rest of New York City. Andrea Thompson, Scientific American, 8 May 2025 The Hawaiian Volcano Observatory continues to track seismic activity, gas emissions, and ground deformation to assess any potential changes in behavior. Thomas G. Moukawsher, Newsweek, 12 Feb. 2025 In the northern Sierra, there are currently no signs of deformation. Taylor Nicioli, CNN Money, 18 Apr. 2025 Because of the slope’s slow-moving collapse, scientists can study the landslide’s historical rates of deformation and see how those changes relate to the retreat of the Barry Arm glacier. Darren Orf, Smithsonian Magazine, 18 Mar. 2025 See All Example Sentences for deformation

Word History

First Known Use

1551, in the meaning defined at sense 3

Time Traveler
The first known use of deformation was in 1551

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Cite this Entry

“Deformation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deformation. Accessed 1 Jun. 2025.

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