ice sheet


Definition of ice sheet 

Examples of ice sheet in a Sentence

Recent Examples on the Web

In the past, these flights have mapped Greenland’s ice sheets, identified collapsing ice shelves, and spotted mysterious holes in the Antarctic ice. Avery Thompson, Popular Mechanics, "NASA Spots Strange Rectangular Iceberg in Antarctica," 23 Oct. 2018 Now in its tenth year in the Arctic, Operation IceBridge is an airborne mission flown annually over both polar regions using various instruments to measure the changes to the ice sheets, ice shelves, and sea ice. National Geographic, "Mysterious Arctic Ice Holes Baffle Scientists," 23 Apr. 2018 The fast rate of the rising earth beneath the icy continent, which is twice the size of Australia, could mean increased stability for the ice sheet in the face of catastrophic collapse due to ice loss. David Grossman, Popular Mechanics, "The Bedrock Below West Antarctica Is Rising Shockingly Fast," 25 June 2018 The first, the ice-free corridor route, theorizes that 13,500 years ago early humans followed a gap between the ice sheets covering the top of North America down the Canadian Rockies. Jason Daley, Smithsonian, "New Evidence Shows That Humans Could Have Migrated to the Americas Along the Coast," 8 June 2018 Additionally, the scientists discovered the ice sheets in eight difference places that could be future sources of water for astronauts. Jonathan Vanian, Fortune, "Huge Underground Ice Sheets Discovered on Mars," 12 Jan. 2018 A decade later, if sea levels rise faster due to accelerated melting of ice sheets, roughly 13,000 homes valued at about $8.6 billion are in danger in the nine counties surrounding the San Francisco Bay Area. Anne C. Mulkern, Scientific American, "Sea Level Rise Will Threaten Thousands of California Homes," 18 June 2018 West Antarctica is considered the most vulnerable of Earth’s three major ice sheets. National Geographic, "The West Antarctic Ice Sheet Seems to Be Good at Collapsing," 13 June 2018 Then, each year, as snowfall added layers to the ice sheet, lead emissions were captured along with dust and other airborne particles, and became part of the ice-core record that scientists use today to learn about conditions of the past. Doyle Rice, USA TODAY, "Secrets in the ice: Pollution in Greenland reveals rise and fall of ancient European civilizations," 14 May 2018

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

1831, in the meaning defined above

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Dictionary Entries near ice sheet



ice shed

ice sheet

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ice show

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Last Updated

17 Nov 2018

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The first known use of ice sheet was in 1831

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More Definitions for ice sheet

ice sheet


English Language Learners Definition of ice sheet

: a very large and thick area of ice that covers a region

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