delamination

noun

de·​lam·​i·​na·​tion (ˌ)dē-ˌla-mə-ˈnā-shən How to pronounce delamination (audio)
: separation into constituent layers
delaminate intransitive verb

Examples of delamination in a Sentence

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.
Those delaminations deteriorated between dive 80 and dive 88, its final dive, resulting in a local buckling failure that led to the implosion. Michael Dorgan, FOXNews.com, 16 Oct. 2025 The investigation found that the bang was a result of delamination between the layers of the material that made up the pressure hull. Jeanine Santucci, USA Today, 16 Oct. 2025 Carbon fiber has not been used on this type of deep-diving sub before and is considered to be unreliable under pressure due to delamination. Rachel Cormack, Robb Report, 6 Aug. 2025 It has since been determined this was likely delamination of the carbon fiber (separation of its layers), which significantly weakened the hull. Alexandra Gillespie, Outside Online, 11 June 2025 During inspections, teams conduct visual and hands-on searches for delamination, voids or weakened areas, according to the department. Grace Zokovitch, Boston Herald, 24 Feb. 2025 This is called delamination, and delamination is the enemy of durability. Jeff Wilser, TIME, 30 Oct. 2024 From decarbonization to delamination, the winners are (hopefully) a sign of the times. Alexandra Harrell, Sourcing Journal, 3 Sep. 2019 One of the key steps of the process comes right before the delamination when lithium cobalt oxide (LiCoO2) is exposed to high-temperature annealing to create the crystallinity of material that results in the high-performance solid-state LIB. IEEE Spectrum, 7 Aug. 2012

Word History

First Known Use

1877, in the meaning defined above

Time Traveler
The first known use of delamination was in 1877

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Cite this Entry

“Delamination.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/delamination. Accessed 22 Oct. 2025.

Medical Definition

delamination

noun
de·​lam·​i·​na·​tion (ˌ)dē-ˌlam-ə-ˈnā-shən How to pronounce delamination (audio)
1
: separation into constituent layers
2
: gastrulation in which the endoderm is split off as a layer from the inner surface of the blastoderm and the archenteron is represented by the space between this endoderm and the yolk mass
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