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.
Everything from a 15-degree to a 45-degree overhang printed brilliantly without deformation or issue. PC Magazine, 8 June 2025 These controllers will observe expert surgeons during their training and learn how to adapt to unpredictable situations, such as soft-tissue deformation during surgery. IEEE Spectrum, 21 May 2025 Mantle plumes are convectional upwellings of hot material from the deep mantle that can cause localized melting and deformations to the overlying crust. New Atlas, 19 Apr. 2025 Scientists inferred signs of deformation from earthquakes strong enough to reach the planet’s heart. Ashley Strickland, CNN, 15 Feb. 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 29 Jul. 2025.

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