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.
Their anisotropic molecular structure allows precise shape changes and, in the case of CLCEs, structural color changes under mechanical deformation. Jijo Malayil, Interesting Engineering, 26 Oct. 2025 The cooling transitions were smooth, and the surface retained its gloss without deformation. PC Magazine, 24 Oct. 2025 Although the rate of subduction varies little along the entire arc, there are complex changes in the geologic processes along the subduction zone that dramatically influence volcanic activity, crustal deformation, earthquake generation and occurrence all along the western edge of South America. Hollie Silverman, MSNBC Newsweek, 21 Oct. 2025 All in all, the researchers cataloged 3,907 arm actions that required 6,871 arm deformations. Evan Bush, NBC news, 14 Sep. 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 28 Oct. 2025.

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