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 The explanation likely lies in a process called delamination. Natalie Wallington, Kansas City Star, 22 Mar. 2024 Consumers whose crank components show signs of bonding separation or delamination during an inspection will receive a free replacement crankset and installation, according to Shimano. Elizabeth Napolitano, CBS News, 22 Sep. 2023 Newman decided to determine how these rigid gloves could make fingernails fall off, and found to her surprise that fingernail delamination was not linked to the length of astronauts' fingers, which would cause more contact between the nails and the glove. Eliza Strickland, Discover Magazine, 14 Sep. 2010 One of the more interesting hypotheses is that the behind arc (east of the arc front) volcanism is due to lithospheric detachment, often referred to as delamination, or foundering. Erik Klemetti, Discover Magazine, 21 July 2011 National Geographic reports that the design of astronauts' space suit gloves can lead to hand and finger injuries, including an icky condition called fingernail delamination in which the nail completely detaches from the nailbed. Eliza Strickland, Discover Magazine, 14 Sep. 2010 Flaws noted in the writeup include a windshield crack (covered by an adhesive sunstrip), some glass delamination, and various chips and scratches. Basem Wasef, Car and Driver, 18 Aug. 2022 For those of us who are not Oreo scientists, delamination is when something splits apart into layers. Madeline Holcombe, CNN, 19 Apr. 2022 Best of all, there’s no glue in the build, so delamination just won’t happen. Outside Online, 14 Mar. 2022

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'delamination.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1877, in the meaning defined above

Time Traveler
The first known use of delamination was in 1877

Dictionary Entries Near delamination

Cite this Entry

“Delamination.” Dictionary, Merriam-Webster, Accessed 30 May. 2024.

Medical Definition


de·​lam·​i·​na·​tion (ˌ)dē-ˌlam-ə-ˈnā-shən How to pronounce delamination (audio)
: separation into constituent layers
: 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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