de·​gla·​ci·​a·​tion | \ (ˌ)dē-ˌglā-shē-ˈā-shən How to pronounce deglaciation (audio) , -sē- \

Definition of deglaciation

: the melting of ice specifically : the retreat of a glacier or ice sheet

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Other Words from deglaciation

deglaciated \ (ˌ)dē-​ˈglā-​shē-​ˌā-​təd How to pronounce deglaciation (audio) , -​sē-​ \ adjective

Examples of deglaciation in a Sentence

Recent Examples on the Web This rise happened from about 17,500 years ago to 11,700 years ago, causing the deglaciation that made Earth more habitable. Anil Ananthaswamy, Smithsonian Magazine, "The World’s Best Natural Defense Against Climate Change May Soon Make Things Worse," 27 Feb. 2020 Which means that the 200 or so samples collected in the field will dramatically improve not only our understanding of past deglaciation events but also the potential futures these ice sheets might breed. Elizabeth Rush, National Geographic, "These women are changing the landscape of Antarctic research," 7 Mar. 2019 The Reef struggled with period of rapid deglaciation 17,000 and 13,000 years ago, respectively. David Grossman, Popular Mechanics, "The Many Deaths And Rebirths of the Great Barrier Reef," 29 May 2018 The next two events occurred during deglaciation that saw rising sea levels and the drowning of the reef, which then adjusted by migrating landward. David Carrig, USA TODAY, "Great Barrier Reef has survived 5 near-death events but scientists unsure of its future," 29 May 2018

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

1895, in the meaning defined above

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Time Traveler for deglaciation Time Traveler

The first known use of deglaciation was in 1895

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Cite this Entry

“Deglaciation.” Dictionary, Merriam-Webster, Accessed 9 Mar. 2021.

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