de·​for·​ma·​tion | \ ˌdē-ˌfȯr-ˈmā-shən How to pronounce deformation (audio) , ˌde-fər- How to pronounce deformation (audio) \

Definition of deformation

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

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Other Words from deformation

deformational \ ˌdē-​ˌfȯr-​ˈmā-​shə-​nᵊl How to pronounce deformation (audio) , ˌde-​fər-​ \ 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 The researchers modeled this surface deformation and determined that these tectonics actually match the slow movement of the planet's interior. Ashley Strickland, CNN, 21 June 2021 Civil engineers are already using DAS to study soil deformation, and biologists are even using offshore fiber optic cables to listen in on whales. Matt Simon, Wired, 28 June 2021 The team studied radar images from Magellan to map the planet's lowlands and modeled the deformation to reach their conclusions. Julia Musto, Fox News, 23 June 2021 The movement and deformation of the crustal blocks also points to something else: Venus is likely still geologically active today. Ashley Strickland, CNN, 21 June 2021 The surface ensures the headband is evenly supported to prevent deformation or dents. Mark Sparrow, Forbes, 31 May 2021 The eyes are consistent with human features, and the cone shape of the skull is a result of artificial cranial deformation, according to an expert. Nayeli Lomeli, USA TODAY, 19 May 2021 Although there are already recognizable signals that a volcano is likely to erupt, including seismic activity, changes in gas emissions and sudden ground deformation, accurate predictions are tricky. Julia Musto, Fox News, 15 Apr. 2021 Indeed, the worst thing about this overwrought and underthought superspectacle is the trivialization, manipulation, and deformation of the sincere and serious emotions that undergird and motivate its cast of heroes. Richard Brody, The New Yorker, 18 Mar. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'deformation.' 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 deformation

15th century, in the meaning defined at sense 1

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The first known use of deformation was in the 15th century

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Dictionary Entries Near deformation



deformation band

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Last Updated

18 Jul 2021

Cite this Entry

“Deformation.” Dictionary, Merriam-Webster, Accessed 2 Aug. 2021.

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More from Merriam-Webster on deformation

Nglish: Translation of deformation for Spanish Speakers Encyclopedia article about deformation


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